Home / 1,128,753.72-1,557,644.98-619,443

Finding the Fourth Proportional to 1,128,753.72, 1,557,644.98 and 619,443

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Solution

The fourth proportional to 1,128,753.72, 1,557,644.98 and 619,443 is: 854,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,753.72 : 1,557,644.98 = 619,443 : x
  2. Step 2: Convert to fraction form
    1,128,753.72/1,557,644.98 = 619,443/x
  3. Step 3: Cross multiply
    1,128,753.72x = 1,557,644.98 × 619,443
  4. Step 4: Simplify right side
    1,128,753.72x = 964,872,279,346.14
  5. Step 5: Solve for x
    x = 964,872,279,346.14/1,128,753.72
  6. Step 6: Final answer
    x = 854,812.05

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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.