Home / 862,164.60-1,189,677.90-499,585.08

Finding the Fourth Proportional to 862,164.60, 1,189,677.90 and 499,585.08

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Solution

The fourth proportional to 862,164.60, 1,189,677.90 and 499,585.08 is: 689,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,164.60 : 1,189,677.90 = 499,585.08 : x
  2. Step 2: Convert to fraction form
    862,164.60/1,189,677.90 = 499,585.08/x
  3. Step 3: Cross multiply
    862,164.60x = 1,189,677.90 × 499,585.08
  4. Step 4: Simplify right side
    862,164.60x = 594,345,328,845.73
  5. Step 5: Solve for x
    x = 594,345,328,845.73/862,164.60
  6. Step 6: Final answer
    x = 689,364.11

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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.