Home / 924,190.80-1,386,286.20-815,715.60

Finding the Fourth Proportional to 924,190.80, 1,386,286.20 and 815,715.60

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Solution

The fourth proportional to 924,190.80, 1,386,286.20 and 815,715.60 is: 1,223,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,190.80 : 1,386,286.20 = 815,715.60 : x
  2. Step 2: Convert to fraction form
    924,190.80/1,386,286.20 = 815,715.60/x
  3. Step 3: Cross multiply
    924,190.80x = 1,386,286.20 × 815,715.60
  4. Step 4: Simplify right side
    924,190.80x = 1,130,815,279,404.72
  5. Step 5: Solve for x
    x = 1,130,815,279,404.72/924,190.80
  6. Step 6: Final answer
    x = 1,223,573.40

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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.