Home / 598,156.32-897,428.88-399,285.12

Finding the Fourth Proportional to 598,156.32, 897,428.88 and 399,285.12

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Solution

The fourth proportional to 598,156.32, 897,428.88 and 399,285.12 is: 599,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,156.32 : 897,428.88 = 399,285.12 : x
  2. Step 2: Convert to fraction form
    598,156.32/897,428.88 = 399,285.12/x
  3. Step 3: Cross multiply
    598,156.32x = 897,428.88 × 399,285.12
  4. Step 4: Simplify right side
    598,156.32x = 358,329,998,042.27
  5. Step 5: Solve for x
    x = 358,329,998,042.27/598,156.32
  6. Step 6: Final answer
    x = 599,057.45

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Double scale
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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.