Home / 1,176,899.72-1,624,073.80-667,591.16

Finding the Fourth Proportional to 1,176,899.72, 1,624,073.80 and 667,591.16

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Solution

The fourth proportional to 1,176,899.72, 1,624,073.80 and 667,591.16 is: 921,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,899.72 : 1,624,073.80 = 667,591.16 : x
  2. Step 2: Convert to fraction form
    1,176,899.72/1,624,073.80 = 667,591.16/x
  3. Step 3: Cross multiply
    1,176,899.72x = 1,624,073.80 × 667,591.16
  4. Step 4: Simplify right side
    1,176,899.72x = 1,084,217,312,067.61
  5. Step 5: Solve for x
    x = 1,084,217,312,067.61/1,176,899.72
  6. Step 6: Final answer
    x = 921,248.68

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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.