Home / 638,209.60-957,314.40-576,001.60

Finding the Fourth Proportional to 638,209.60, 957,314.40 and 576,001.60

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Solution

The fourth proportional to 638,209.60, 957,314.40 and 576,001.60 is: 864,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,209.60 : 957,314.40 = 576,001.60 : x
  2. Step 2: Convert to fraction form
    638,209.60/957,314.40 = 576,001.60/x
  3. Step 3: Cross multiply
    638,209.60x = 957,314.40 × 576,001.60
  4. Step 4: Simplify right side
    638,209.60x = 551,414,626,103.04
  5. Step 5: Solve for x
    x = 551,414,626,103.04/638,209.60
  6. Step 6: Final answer
    x = 864,002.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.