Home / 1,102,475.72-1,521,397.14-619,044.68

Finding the Fourth Proportional to 1,102,475.72, 1,521,397.14 and 619,044.68

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Solution

The fourth proportional to 1,102,475.72, 1,521,397.14 and 619,044.68 is: 854,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,475.72 : 1,521,397.14 = 619,044.68 : x
  2. Step 2: Convert to fraction form
    1,102,475.72/1,521,397.14 = 619,044.68/x
  3. Step 3: Cross multiply
    1,102,475.72x = 1,521,397.14 × 619,044.68
  4. Step 4: Simplify right side
    1,102,475.72x = 941,812,805,684.22
  5. Step 5: Solve for x
    x = 941,812,805,684.22/1,102,475.72
  6. Step 6: Final answer
    x = 854,270.79

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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.