Home / 1,129,244.56-1,558,360.11-619,979.74

Finding the Fourth Proportional to 1,129,244.56, 1,558,360.11 and 619,979.74

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Solution

The fourth proportional to 1,129,244.56, 1,558,360.11 and 619,979.74 is: 855,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,244.56 : 1,558,360.11 = 619,979.74 : x
  2. Step 2: Convert to fraction form
    1,129,244.56/1,558,360.11 = 619,979.74/x
  3. Step 3: Cross multiply
    1,129,244.56x = 1,558,360.11 × 619,979.74
  4. Step 4: Simplify right side
    1,129,244.56x = 966,151,694,253.20
  5. Step 5: Solve for x
    x = 966,151,694,253.20/1,129,244.56
  6. Step 6: Final answer
    x = 855,573.48

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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.