Home / 881,294.50-1,216,235.62-499,444.30

Finding the Fourth Proportional to 881,294.50, 1,216,235.62 and 499,444.30

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Solution

The fourth proportional to 881,294.50, 1,216,235.62 and 499,444.30 is: 689,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,294.50 : 1,216,235.62 = 499,444.30 : x
  2. Step 2: Convert to fraction form
    881,294.50/1,216,235.62 = 499,444.30/x
  3. Step 3: Cross multiply
    881,294.50x = 1,216,235.62 × 499,444.30
  4. Step 4: Simplify right side
    881,294.50x = 607,441,947,865.97
  5. Step 5: Solve for x
    x = 607,441,947,865.97/881,294.50
  6. Step 6: Final answer
    x = 689,261.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.