Home / 1,272,495.56-1,904,589.28-935,447

Finding the Fourth Proportional to 1,272,495.56, 1,904,589.28 and 935,447

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Solution

The fourth proportional to 1,272,495.56, 1,904,589.28 and 935,447 is: 1,400,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,495.56 : 1,904,589.28 = 935,447 : x
  2. Step 2: Convert to fraction form
    1,272,495.56/1,904,589.28 = 935,447/x
  3. Step 3: Cross multiply
    1,272,495.56x = 1,904,589.28 × 935,447
  4. Step 4: Simplify right side
    1,272,495.56x = 1,781,642,328,208.16
  5. Step 5: Solve for x
    x = 1,781,642,328,208.16/1,272,495.56
  6. Step 6: Final answer
    x = 1,400,116.73

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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.