Home / 488,711.03-732,968.13-133,760.93

Finding the Fourth Proportional to 488,711.03, 732,968.13 and 133,760.93

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Solution

The fourth proportional to 488,711.03, 732,968.13 and 133,760.93 is: 200,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,711.03 : 732,968.13 = 133,760.93 : x
  2. Step 2: Convert to fraction form
    488,711.03/732,968.13 = 133,760.93/x
  3. Step 3: Cross multiply
    488,711.03x = 732,968.13 × 133,760.93
  4. Step 4: Simplify right side
    488,711.03x = 98,042,498,729.16
  5. Step 5: Solve for x
    x = 98,042,498,729.16/488,711.03
  6. Step 6: Final answer
    x = 200,614.46

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1.5x scale

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.