Home / 862,806.71-1,190,677.25-500,445.11

Finding the Fourth Proportional to 862,806.71, 1,190,677.25 and 500,445.11

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Solution

The fourth proportional to 862,806.71, 1,190,677.25 and 500,445.11 is: 690,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,806.71 : 1,190,677.25 = 500,445.11 : x
  2. Step 2: Convert to fraction form
    862,806.71/1,190,677.25 = 500,445.11/x
  3. Step 3: Cross multiply
    862,806.71x = 1,190,677.25 × 500,445.11
  4. Step 4: Simplify right side
    862,806.71x = 595,868,607,350.75
  5. Step 5: Solve for x
    x = 595,868,607,350.75/862,806.71
  6. Step 6: Final answer
    x = 690,616.57

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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.