Home / 831,591.20-1,247,386.80-700,954.40

Finding the Fourth Proportional to 831,591.20, 1,247,386.80 and 700,954.40

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Solution

The fourth proportional to 831,591.20, 1,247,386.80 and 700,954.40 is: 1,051,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,591.20 : 1,247,386.80 = 700,954.40 : x
  2. Step 2: Convert to fraction form
    831,591.20/1,247,386.80 = 700,954.40/x
  3. Step 3: Cross multiply
    831,591.20x = 1,247,386.80 × 700,954.40
  4. Step 4: Simplify right side
    831,591.20x = 874,361,265,961.92
  5. Step 5: Solve for x
    x = 874,361,265,961.92/831,591.20
  6. Step 6: Final answer
    x = 1,051,431.60

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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.