Home / 3,520,641.60-5,280,962.40-861,249.60

Finding the Fourth Proportional to 3,520,641.60, 5,280,962.40 and 861,249.60

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Solution

The fourth proportional to 3,520,641.60, 5,280,962.40 and 861,249.60 is: 1,291,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,641.60 : 5,280,962.40 = 861,249.60 : x
  2. Step 2: Convert to fraction form
    3,520,641.60/5,280,962.40 = 861,249.60/x
  3. Step 3: Cross multiply
    3,520,641.60x = 5,280,962.40 × 861,249.60
  4. Step 4: Simplify right side
    3,520,641.60x = 4,548,226,754,615.04
  5. Step 5: Solve for x
    x = 4,548,226,754,615.04/3,520,641.60
  6. Step 6: Final answer
    x = 1,291,874.40

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Similar ratio
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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.