Home / 788,505.10-1,182,757.65-611,557.90

Finding the Fourth Proportional to 788,505.10, 1,182,757.65 and 611,557.90

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Solution

The fourth proportional to 788,505.10, 1,182,757.65 and 611,557.90 is: 917,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,505.10 : 1,182,757.65 = 611,557.90 : x
  2. Step 2: Convert to fraction form
    788,505.10/1,182,757.65 = 611,557.90/x
  3. Step 3: Cross multiply
    788,505.10x = 1,182,757.65 × 611,557.90
  4. Step 4: Simplify right side
    788,505.10x = 723,324,784,642.94
  5. Step 5: Solve for x
    x = 723,324,784,642.94/788,505.10
  6. Step 6: Final answer
    x = 917,336.85

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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.