Home / 743,998.20-1,026,726.14-412,860.92

Finding the Fourth Proportional to 743,998.20, 1,026,726.14 and 412,860.92

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Solution

The fourth proportional to 743,998.20, 1,026,726.14 and 412,860.92 is: 569,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,998.20 : 1,026,726.14 = 412,860.92 : x
  2. Step 2: Convert to fraction form
    743,998.20/1,026,726.14 = 412,860.92/x
  3. Step 3: Cross multiply
    743,998.20x = 1,026,726.14 × 412,860.92
  4. Step 4: Simplify right side
    743,998.20x = 423,895,098,748.45
  5. Step 5: Solve for x
    x = 423,895,098,748.45/743,998.20
  6. Step 6: Final answer
    x = 569,752.86

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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.