Home / 1,314,911.28-1,972,423.20-516,365.61

Finding the Fourth Proportional to 1,314,911.28, 1,972,423.20 and 516,365.61

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Solution

The fourth proportional to 1,314,911.28, 1,972,423.20 and 516,365.61 is: 774,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,911.28 : 1,972,423.20 = 516,365.61 : x
  2. Step 2: Convert to fraction form
    1,314,911.28/1,972,423.20 = 516,365.61/x
  3. Step 3: Cross multiply
    1,314,911.28x = 1,972,423.20 × 516,365.61
  4. Step 4: Simplify right side
    1,314,911.28x = 1,018,491,508,846.15
  5. Step 5: Solve for x
    x = 1,018,491,508,846.15/1,314,911.28
  6. Step 6: Final answer
    x = 774,570.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.