Home / 1,119,616.87-1,545,013.15-636,114.91

Finding the Fourth Proportional to 1,119,616.87, 1,545,013.15 and 636,114.91

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Solution

The fourth proportional to 1,119,616.87, 1,545,013.15 and 636,114.91 is: 877,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,616.87 : 1,545,013.15 = 636,114.91 : x
  2. Step 2: Convert to fraction form
    1,119,616.87/1,545,013.15 = 636,114.91/x
  3. Step 3: Cross multiply
    1,119,616.87x = 1,545,013.15 × 636,114.91
  4. Step 4: Simplify right side
    1,119,616.87x = 982,805,900,861.07
  5. Step 5: Solve for x
    x = 982,805,900,861.07/1,119,616.87
  6. Step 6: Final answer
    x = 877,805.55

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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.