Home / 862,688.30-1,190,514.60-500,327.04

Finding the Fourth Proportional to 862,688.30, 1,190,514.60 and 500,327.04

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Solution

The fourth proportional to 862,688.30, 1,190,514.60 and 500,327.04 is: 690,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,688.30 : 1,190,514.60 = 500,327.04 : x
  2. Step 2: Convert to fraction form
    862,688.30/1,190,514.60 = 500,327.04/x
  3. Step 3: Cross multiply
    862,688.30x = 1,190,514.60 × 500,327.04
  4. Step 4: Simplify right side
    862,688.30x = 595,646,645,894.78
  5. Step 5: Solve for x
    x = 595,646,645,894.78/862,688.30
  6. Step 6: Final answer
    x = 690,454.07

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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.