Home / 924,609.60-1,386,914.40-639,402.93

Finding the Fourth Proportional to 924,609.60, 1,386,914.40 and 639,402.93

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Solution

The fourth proportional to 924,609.60, 1,386,914.40 and 639,402.93 is: 959,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,609.60 : 1,386,914.40 = 639,402.93 : x
  2. Step 2: Convert to fraction form
    924,609.60/1,386,914.40 = 639,402.93/x
  3. Step 3: Cross multiply
    924,609.60x = 1,386,914.40 × 639,402.93
  4. Step 4: Simplify right side
    924,609.60x = 886,797,131,019.19
  5. Step 5: Solve for x
    x = 886,797,131,019.19/924,609.60
  6. Step 6: Final answer
    x = 959,104.40

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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.