Home / 747,900.48-1,032,098.58-408,366.30

Finding the Fourth Proportional to 747,900.48, 1,032,098.58 and 408,366.30

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Solution

The fourth proportional to 747,900.48, 1,032,098.58 and 408,366.30 is: 563,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,900.48 : 1,032,098.58 = 408,366.30 : x
  2. Step 2: Convert to fraction form
    747,900.48/1,032,098.58 = 408,366.30/x
  3. Step 3: Cross multiply
    747,900.48x = 1,032,098.58 × 408,366.30
  4. Step 4: Simplify right side
    747,900.48x = 421,474,278,349.85
  5. Step 5: Solve for x
    x = 421,474,278,349.85/747,900.48
  6. Step 6: Final answer
    x = 563,543.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.