Home / 831,577.12-1,147,754.46-525,459.16

Finding the Fourth Proportional to 831,577.12, 1,147,754.46 and 525,459.16

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Solution

The fourth proportional to 831,577.12, 1,147,754.46 and 525,459.16 is: 725,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,577.12 : 1,147,754.46 = 525,459.16 : x
  2. Step 2: Convert to fraction form
    831,577.12/1,147,754.46 = 525,459.16/x
  3. Step 3: Cross multiply
    831,577.12x = 1,147,754.46 × 525,459.16
  4. Step 4: Simplify right side
    831,577.12x = 603,098,094,437.85
  5. Step 5: Solve for x
    x = 603,098,094,437.85/831,577.12
  6. Step 6: Final answer
    x = 725,246.14

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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.