Home / 831,567.40-1,247,351.10-532,631.84

Finding the Fourth Proportional to 831,567.40, 1,247,351.10 and 532,631.84

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Solution

The fourth proportional to 831,567.40, 1,247,351.10 and 532,631.84 is: 798,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,567.40 : 1,247,351.10 = 532,631.84 : x
  2. Step 2: Convert to fraction form
    831,567.40/1,247,351.10 = 532,631.84/x
  3. Step 3: Cross multiply
    831,567.40x = 1,247,351.10 × 532,631.84
  4. Step 4: Simplify right side
    831,567.40x = 664,378,911,519.02
  5. Step 5: Solve for x
    x = 664,378,911,519.02/831,567.40
  6. Step 6: Final answer
    x = 798,947.76

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Double scale
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Similar ratio
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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.