Home / 1,071,289.46-1,478,375.37-587,862.69

Finding the Fourth Proportional to 1,071,289.46, 1,478,375.37 and 587,862.69

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Solution

The fourth proportional to 1,071,289.46, 1,478,375.37 and 587,862.69 is: 811,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,289.46 : 1,478,375.37 = 587,862.69 : x
  2. Step 2: Convert to fraction form
    1,071,289.46/1,478,375.37 = 587,862.69/x
  3. Step 3: Cross multiply
    1,071,289.46x = 1,478,375.37 × 587,862.69
  4. Step 4: Simplify right side
    1,071,289.46x = 869,081,721,837.95
  5. Step 5: Solve for x
    x = 869,081,721,837.95/1,071,289.46
  6. Step 6: Final answer
    x = 811,248.27

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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.