Home / 838,572.45-1,257,869.61-239,553.15

Finding the Fourth Proportional to 838,572.45, 1,257,869.61 and 239,553.15

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Solution

The fourth proportional to 838,572.45, 1,257,869.61 and 239,553.15 is: 359,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,572.45 : 1,257,869.61 = 239,553.15 : x
  2. Step 2: Convert to fraction form
    838,572.45/1,257,869.61 = 239,553.15/x
  3. Step 3: Cross multiply
    838,572.45x = 1,257,869.61 × 239,553.15
  4. Step 4: Simplify right side
    838,572.45x = 301,326,627,364.77
  5. Step 5: Solve for x
    x = 301,326,627,364.77/838,572.45
  6. Step 6: Final answer
    x = 359,332.85

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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.