Home / 783,119.40-1,174,679.10-363,215.40

Finding the Fourth Proportional to 783,119.40, 1,174,679.10 and 363,215.40

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Solution

The fourth proportional to 783,119.40, 1,174,679.10 and 363,215.40 is: 544,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,119.40 : 1,174,679.10 = 363,215.40 : x
  2. Step 2: Convert to fraction form
    783,119.40/1,174,679.10 = 363,215.40/x
  3. Step 3: Cross multiply
    783,119.40x = 1,174,679.10 × 363,215.40
  4. Step 4: Simplify right side
    783,119.40x = 426,661,539,178.14
  5. Step 5: Solve for x
    x = 426,661,539,178.14/783,119.40
  6. Step 6: Final answer
    x = 544,823.10

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Double scale
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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.