Home / 904,520.40-1,356,780.60-239,672.40

Finding the Fourth Proportional to 904,520.40, 1,356,780.60 and 239,672.40

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Solution

The fourth proportional to 904,520.40, 1,356,780.60 and 239,672.40 is: 359,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,520.40 : 1,356,780.60 = 239,672.40 : x
  2. Step 2: Convert to fraction form
    904,520.40/1,356,780.60 = 239,672.40/x
  3. Step 3: Cross multiply
    904,520.40x = 1,356,780.60 × 239,672.40
  4. Step 4: Simplify right side
    904,520.40x = 325,182,862,675.44
  5. Step 5: Solve for x
    x = 325,182,862,675.44/904,520.40
  6. Step 6: Final answer
    x = 359,508.60

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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.