Home / 1,128,593.76-1,557,478.44-619,343.52

Finding the Fourth Proportional to 1,128,593.76, 1,557,478.44 and 619,343.52

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Solution

The fourth proportional to 1,128,593.76, 1,557,478.44 and 619,343.52 is: 854,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,593.76 : 1,557,478.44 = 619,343.52 : x
  2. Step 2: Convert to fraction form
    1,128,593.76/1,557,478.44 = 619,343.52/x
  3. Step 3: Cross multiply
    1,128,593.76x = 1,557,478.44 × 619,343.52
  4. Step 4: Simplify right side
    1,128,593.76x = 964,614,179,353.71
  5. Step 5: Solve for x
    x = 964,614,179,353.71/1,128,593.76
  6. Step 6: Final answer
    x = 854,704.51

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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.