Home / 1,077,926.11-1,487,162.36-690,954.86

Finding the Fourth Proportional to 1,077,926.11, 1,487,162.36 and 690,954.86

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Solution

The fourth proportional to 1,077,926.11, 1,487,162.36 and 690,954.86 is: 953,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,926.11 : 1,487,162.36 = 690,954.86 : x
  2. Step 2: Convert to fraction form
    1,077,926.11/1,487,162.36 = 690,954.86/x
  3. Step 3: Cross multiply
    1,077,926.11x = 1,487,162.36 × 690,954.86
  4. Step 4: Simplify right side
    1,077,926.11x = 1,027,562,059,387.38
  5. Step 5: Solve for x
    x = 1,027,562,059,387.38/1,077,926.11
  6. Step 6: Final answer
    x = 953,276.90

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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.