Home / 1,127,682.38-1,691,438.51-359,149.04

Finding the Fourth Proportional to 1,127,682.38, 1,691,438.51 and 359,149.04

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Solution

The fourth proportional to 1,127,682.38, 1,691,438.51 and 359,149.04 is: 538,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,682.38 : 1,691,438.51 = 359,149.04 : x
  2. Step 2: Convert to fraction form
    1,127,682.38/1,691,438.51 = 359,149.04/x
  3. Step 3: Cross multiply
    1,127,682.38x = 1,691,438.51 × 359,149.04
  4. Step 4: Simplify right side
    1,127,682.38x = 607,478,513,848.89
  5. Step 5: Solve for x
    x = 607,478,513,848.89/1,127,682.38
  6. Step 6: Final answer
    x = 538,696.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.