Home / 782,762.81-1,080,871.01-588,834.38

Finding the Fourth Proportional to 782,762.81, 1,080,871.01 and 588,834.38

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Solution

The fourth proportional to 782,762.81, 1,080,871.01 and 588,834.38 is: 813,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,762.81 : 1,080,871.01 = 588,834.38 : x
  2. Step 2: Convert to fraction form
    782,762.81/1,080,871.01 = 588,834.38/x
  3. Step 3: Cross multiply
    782,762.81x = 1,080,871.01 × 588,834.38
  4. Step 4: Simplify right side
    782,762.81x = 636,454,002,684.80
  5. Step 5: Solve for x
    x = 636,454,002,684.80/782,762.81
  6. Step 6: Final answer
    x = 813,086.67

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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.