Home / 924,151.20-1,383,505.20-688,538.40

Finding the Fourth Proportional to 924,151.20, 1,383,505.20 and 688,538.40

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Solution

The fourth proportional to 924,151.20, 1,383,505.20 and 688,538.40 is: 1,030,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,151.20 : 1,383,505.20 = 688,538.40 : x
  2. Step 2: Convert to fraction form
    924,151.20/1,383,505.20 = 688,538.40/x
  3. Step 3: Cross multiply
    924,151.20x = 1,383,505.20 × 688,538.40
  4. Step 4: Simplify right side
    924,151.20x = 952,596,456,799.68
  5. Step 5: Solve for x
    x = 952,596,456,799.68/924,151.20
  6. Step 6: Final answer
    x = 1,030,779.87

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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.