Home / 924,340.20-1,386,510.30-619,909.80

Finding the Fourth Proportional to 924,340.20, 1,386,510.30 and 619,909.80

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Solution

The fourth proportional to 924,340.20, 1,386,510.30 and 619,909.80 is: 929,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,340.20 : 1,386,510.30 = 619,909.80 : x
  2. Step 2: Convert to fraction form
    924,340.20/1,386,510.30 = 619,909.80/x
  3. Step 3: Cross multiply
    924,340.20x = 1,386,510.30 × 619,909.80
  4. Step 4: Simplify right side
    924,340.20x = 859,511,322,770.94
  5. Step 5: Solve for x
    x = 859,511,322,770.94/924,340.20
  6. Step 6: Final answer
    x = 929,864.70

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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.