Home / 886,306.17-1,223,105.28-513,841.70

Finding the Fourth Proportional to 886,306.17, 1,223,105.28 and 513,841.70

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Solution

The fourth proportional to 886,306.17, 1,223,105.28 and 513,841.70 is: 709,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,306.17 : 1,223,105.28 = 513,841.70 : x
  2. Step 2: Convert to fraction form
    886,306.17/1,223,105.28 = 513,841.70/x
  3. Step 3: Cross multiply
    886,306.17x = 1,223,105.28 × 513,841.70
  4. Step 4: Simplify right side
    886,306.17x = 628,482,490,261.49
  5. Step 5: Solve for x
    x = 628,482,490,261.49/886,306.17
  6. Step 6: Final answer
    x = 709,103.14

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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.