Home / 412,985.78-619,704.30-160,276.22

Finding the Fourth Proportional to 412,985.78, 619,704.30 and 160,276.22

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Solution

The fourth proportional to 412,985.78, 619,704.30 and 160,276.22 is: 240,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,985.78 : 619,704.30 = 160,276.22 : x
  2. Step 2: Convert to fraction form
    412,985.78/619,704.30 = 160,276.22/x
  3. Step 3: Cross multiply
    412,985.78x = 619,704.30 × 160,276.22
  4. Step 4: Simplify right side
    412,985.78x = 99,323,862,721.75
  5. Step 5: Solve for x
    x = 99,323,862,721.75/412,985.78
  6. Step 6: Final answer
    x = 240,501.90

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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.