Home / 831,452.20-1,147,376.10-525,693.16

Finding the Fourth Proportional to 831,452.20, 1,147,376.10 and 525,693.16

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Solution

The fourth proportional to 831,452.20, 1,147,376.10 and 525,693.16 is: 725,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,452.20 : 1,147,376.10 = 525,693.16 : x
  2. Step 2: Convert to fraction form
    831,452.20/1,147,376.10 = 525,693.16/x
  3. Step 3: Cross multiply
    831,452.20x = 1,147,376.10 × 525,693.16
  4. Step 4: Simplify right side
    831,452.20x = 603,167,767,717.48
  5. Step 5: Solve for x
    x = 603,167,767,717.48/831,452.20
  6. Step 6: Final answer
    x = 725,438.90

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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.