Home / 831,450.20-1,147,373.34-525,691.16

Finding the Fourth Proportional to 831,450.20, 1,147,373.34 and 525,691.16

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Solution

The fourth proportional to 831,450.20, 1,147,373.34 and 525,691.16 is: 725,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,450.20 : 1,147,373.34 = 525,691.16 : x
  2. Step 2: Convert to fraction form
    831,450.20/1,147,373.34 = 525,691.16/x
  3. Step 3: Cross multiply
    831,450.20x = 1,147,373.34 × 525,691.16
  4. Step 4: Simplify right side
    831,450.20x = 603,164,022,057.68
  5. Step 5: Solve for x
    x = 603,164,022,057.68/831,450.20
  6. Step 6: Final answer
    x = 725,436.14

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Double scale
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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.