Home / 831,705.10-1,248,140.85-532,912.30

Finding the Fourth Proportional to 831,705.10, 1,248,140.85 and 532,912.30

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Solution

The fourth proportional to 831,705.10, 1,248,140.85 and 532,912.30 is: 799,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,705.10 : 1,248,140.85 = 532,912.30 : x
  2. Step 2: Convert to fraction form
    831,705.10/1,248,140.85 = 532,912.30/x
  3. Step 3: Cross multiply
    831,705.10x = 1,248,140.85 × 532,912.30
  4. Step 4: Simplify right side
    831,705.10x = 665,149,611,097.46
  5. Step 5: Solve for x
    x = 665,149,611,097.46/831,705.10
  6. Step 6: Final answer
    x = 799,742.13

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1.5x scale

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.