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Finding the Fourth Proportional to 1,639,686, 2,262,766.68 and 924,294

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Solution

The fourth proportional to 1,639,686, 2,262,766.68 and 924,294 is: 1,275,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,686 : 2,262,766.68 = 924,294 : x
  2. Step 2: Convert to fraction form
    1,639,686/2,262,766.68 = 924,294/x
  3. Step 3: Cross multiply
    1,639,686x = 2,262,766.68 × 924,294
  4. Step 4: Simplify right side
    1,639,686x = 2,091,461,665,723.92
  5. Step 5: Solve for x
    x = 2,091,461,665,723.92/1,639,686
  6. Step 6: Final answer
    x = 1,275,525.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.