Home / 831,024.40-1,246,536.60-514,454.80

Finding the Fourth Proportional to 831,024.40, 1,246,536.60 and 514,454.80

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Solution

The fourth proportional to 831,024.40, 1,246,536.60 and 514,454.80 is: 771,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,024.40 : 1,246,536.60 = 514,454.80 : x
  2. Step 2: Convert to fraction form
    831,024.40/1,246,536.60 = 514,454.80/x
  3. Step 3: Cross multiply
    831,024.40x = 1,246,536.60 × 514,454.80
  4. Step 4: Simplify right side
    831,024.40x = 641,286,737,245.68
  5. Step 5: Solve for x
    x = 641,286,737,245.68/831,024.40
  6. Step 6: Final answer
    x = 771,682.20

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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.