Home / 942,913.26-1,301,247.89-513,221.22

Finding the Fourth Proportional to 942,913.26, 1,301,247.89 and 513,221.22

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Solution

The fourth proportional to 942,913.26, 1,301,247.89 and 513,221.22 is: 708,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,913.26 : 1,301,247.89 = 513,221.22 : x
  2. Step 2: Convert to fraction form
    942,913.26/1,301,247.89 = 513,221.22/x
  3. Step 3: Cross multiply
    942,913.26x = 1,301,247.89 × 513,221.22
  4. Step 4: Simplify right side
    942,913.26x = 667,828,028,986.70
  5. Step 5: Solve for x
    x = 667,828,028,986.70/942,913.26
  6. Step 6: Final answer
    x = 708,260.30

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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.