Home / 1,569,118.20-2,353,677.30-431,878.20

Finding the Fourth Proportional to 1,569,118.20, 2,353,677.30 and 431,878.20

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Solution

The fourth proportional to 1,569,118.20, 2,353,677.30 and 431,878.20 is: 647,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,118.20 : 2,353,677.30 = 431,878.20 : x
  2. Step 2: Convert to fraction form
    1,569,118.20/2,353,677.30 = 431,878.20/x
  3. Step 3: Cross multiply
    1,569,118.20x = 2,353,677.30 × 431,878.20
  4. Step 4: Simplify right side
    1,569,118.20x = 1,016,501,915,704.86
  5. Step 5: Solve for x
    x = 1,016,501,915,704.86/1,569,118.20
  6. Step 6: Final answer
    x = 647,817.30

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Double scale
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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.