Home / 942,716.88-1,300,976.67-513,024.72

Finding the Fourth Proportional to 942,716.88, 1,300,976.67 and 513,024.72

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Solution

The fourth proportional to 942,716.88, 1,300,976.67 and 513,024.72 is: 707,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,716.88 : 1,300,976.67 = 513,024.72 : x
  2. Step 2: Convert to fraction form
    942,716.88/1,300,976.67 = 513,024.72/x
  3. Step 3: Cross multiply
    942,716.88x = 1,300,976.67 × 513,024.72
  4. Step 4: Simplify right side
    942,716.88x = 667,433,191,853.28
  5. Step 5: Solve for x
    x = 667,433,191,853.28/942,716.88
  6. Step 6: Final answer
    x = 707,989.01

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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.