Home / 831,359.17-1,147,275.14-449,385.96

Finding the Fourth Proportional to 831,359.17, 1,147,275.14 and 449,385.96

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Solution

The fourth proportional to 831,359.17, 1,147,275.14 and 449,385.96 is: 620,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,359.17 : 1,147,275.14 = 449,385.96 : x
  2. Step 2: Convert to fraction form
    831,359.17/1,147,275.14 = 449,385.96/x
  3. Step 3: Cross multiply
    831,359.17x = 1,147,275.14 × 449,385.96
  4. Step 4: Simplify right side
    831,359.17x = 515,569,340,173.03
  5. Step 5: Solve for x
    x = 515,569,340,173.03/831,359.17
  6. Step 6: Final answer
    x = 620,152.35

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1.5x scale

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.