Home / 398,748.48-598,223.58-132,510.36

Finding the Fourth Proportional to 398,748.48, 598,223.58 and 132,510.36

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Solution

The fourth proportional to 398,748.48, 598,223.58 and 132,510.36 is: 198,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,748.48 : 598,223.58 = 132,510.36 : x
  2. Step 2: Convert to fraction form
    398,748.48/598,223.58 = 132,510.36/x
  3. Step 3: Cross multiply
    398,748.48x = 598,223.58 × 132,510.36
  4. Step 4: Simplify right side
    398,748.48x = 79,270,821,946.29
  5. Step 5: Solve for x
    x = 79,270,821,946.29/398,748.48
  6. Step 6: Final answer
    x = 198,799.06

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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.