Home / 783,490.20-1,175,235.30-534,658.20

Finding the Fourth Proportional to 783,490.20, 1,175,235.30 and 534,658.20

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Solution

The fourth proportional to 783,490.20, 1,175,235.30 and 534,658.20 is: 801,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,490.20 : 1,175,235.30 = 534,658.20 : x
  2. Step 2: Convert to fraction form
    783,490.20/1,175,235.30 = 534,658.20/x
  3. Step 3: Cross multiply
    783,490.20x = 1,175,235.30 × 534,658.20
  4. Step 4: Simplify right side
    783,490.20x = 628,349,190,074.46
  5. Step 5: Solve for x
    x = 628,349,190,074.46/783,490.20
  6. Step 6: Final answer
    x = 801,987.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 783,491.20, 1,175,236.80 and 534,659.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.