Home / 924,171.40-1,386,257.10-259,323.40

Finding the Fourth Proportional to 924,171.40, 1,386,257.10 and 259,323.40

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Solution

The fourth proportional to 924,171.40, 1,386,257.10 and 259,323.40 is: 388,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,171.40 : 1,386,257.10 = 259,323.40 : x
  2. Step 2: Convert to fraction form
    924,171.40/1,386,257.10 = 259,323.40/x
  3. Step 3: Cross multiply
    924,171.40x = 1,386,257.10 × 259,323.40
  4. Step 4: Simplify right side
    924,171.40x = 359,488,904,446.14
  5. Step 5: Solve for x
    x = 359,488,904,446.14/924,171.40
  6. Step 6: Final answer
    x = 388,985.10

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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.