Home / 717,400.13-989,938.89-441,714.20

Finding the Fourth Proportional to 717,400.13, 989,938.89 and 441,714.20

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Solution

The fourth proportional to 717,400.13, 989,938.89 and 441,714.20 is: 609,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,400.13 : 989,938.89 = 441,714.20 : x
  2. Step 2: Convert to fraction form
    717,400.13/989,938.89 = 441,714.20/x
  3. Step 3: Cross multiply
    717,400.13x = 989,938.89 × 441,714.20
  4. Step 4: Simplify right side
    717,400.13x = 437,270,059,895.54
  5. Step 5: Solve for x
    x = 437,270,059,895.54/717,400.13
  6. Step 6: Final answer
    x = 609,520.47

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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.