Home / 1,115,956.40-1,539,921.31-619,252.74

Finding the Fourth Proportional to 1,115,956.40, 1,539,921.31 and 619,252.74

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Solution

The fourth proportional to 1,115,956.40, 1,539,921.31 and 619,252.74 is: 854,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,956.40 : 1,539,921.31 = 619,252.74 : x
  2. Step 2: Convert to fraction form
    1,115,956.40/1,539,921.31 = 619,252.74/x
  3. Step 3: Cross multiply
    1,115,956.40x = 1,539,921.31 × 619,252.74
  4. Step 4: Simplify right side
    1,115,956.40x = 953,600,489,053.76
  5. Step 5: Solve for x
    x = 953,600,489,053.76/1,115,956.40
  6. Step 6: Final answer
    x = 854,514.11

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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.