Home / 866,146.76-1,195,290.26-478,988.38

Finding the Fourth Proportional to 866,146.76, 1,195,290.26 and 478,988.38

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Solution

The fourth proportional to 866,146.76, 1,195,290.26 and 478,988.38 is: 661,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,146.76 : 1,195,290.26 = 478,988.38 : x
  2. Step 2: Convert to fraction form
    866,146.76/1,195,290.26 = 478,988.38/x
  3. Step 3: Cross multiply
    866,146.76x = 1,195,290.26 × 478,988.38
  4. Step 4: Simplify right side
    866,146.76x = 572,530,145,267.18
  5. Step 5: Solve for x
    x = 572,530,145,267.18/866,146.76
  6. Step 6: Final answer
    x = 661,008.24

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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.