Home / 831,650.14-1,147,855.08-525,531.70

Finding the Fourth Proportional to 831,650.14, 1,147,855.08 and 525,531.70

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Solution

The fourth proportional to 831,650.14, 1,147,855.08 and 525,531.70 is: 725,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,650.14 : 1,147,855.08 = 525,531.70 : x
  2. Step 2: Convert to fraction form
    831,650.14/1,147,855.08 = 525,531.70/x
  3. Step 3: Cross multiply
    831,650.14x = 1,147,855.08 × 525,531.70
  4. Step 4: Simplify right side
    831,650.14x = 603,234,231,546.04
  5. Step 5: Solve for x
    x = 603,234,231,546.04/831,650.14
  6. Step 6: Final answer
    x = 725,346.16

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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.