Home / 716,460.91-1,074,766.55-356,720.98

Finding the Fourth Proportional to 716,460.91, 1,074,766.55 and 356,720.98

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Solution

The fourth proportional to 716,460.91, 1,074,766.55 and 356,720.98 is: 535,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,460.91 : 1,074,766.55 = 356,720.98 : x
  2. Step 2: Convert to fraction form
    716,460.91/1,074,766.55 = 356,720.98/x
  3. Step 3: Cross multiply
    716,460.91x = 1,074,766.55 × 356,720.98
  4. Step 4: Simplify right side
    716,460.91x = 383,391,776,987.22
  5. Step 5: Solve for x
    x = 383,391,776,987.22/716,460.91
  6. Step 6: Final answer
    x = 535,118.90

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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.