Home / 1,012,318.56-1,515,350.40-555,767.73

Finding the Fourth Proportional to 1,012,318.56, 1,515,350.40 and 555,767.73

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Solution

The fourth proportional to 1,012,318.56, 1,515,350.40 and 555,767.73 is: 831,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,318.56 : 1,515,350.40 = 555,767.73 : x
  2. Step 2: Convert to fraction form
    1,012,318.56/1,515,350.40 = 555,767.73/x
  3. Step 3: Cross multiply
    1,012,318.56x = 1,515,350.40 × 555,767.73
  4. Step 4: Simplify right side
    1,012,318.56x = 842,182,851,962.59
  5. Step 5: Solve for x
    x = 842,182,851,962.59/1,012,318.56
  6. Step 6: Final answer
    x = 831,934.62

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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.