Home / 748,904.55-1,123,356.83-496,962.15

Finding the Fourth Proportional to 748,904.55, 1,123,356.83 and 496,962.15

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Solution

The fourth proportional to 748,904.55, 1,123,356.83 and 496,962.15 is: 745,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,904.55 : 1,123,356.83 = 496,962.15 : x
  2. Step 2: Convert to fraction form
    748,904.55/1,123,356.83 = 496,962.15/x
  3. Step 3: Cross multiply
    748,904.55x = 1,123,356.83 × 496,962.15
  4. Step 4: Simplify right side
    748,904.55x = 558,265,822,969.17
  5. Step 5: Solve for x
    x = 558,265,822,969.17/748,904.55
  6. Step 6: Final answer
    x = 745,443.23

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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.