Home / 619,941.47-929,803.05-170,553.87

Finding the Fourth Proportional to 619,941.47, 929,803.05 and 170,553.87

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Solution

The fourth proportional to 619,941.47, 929,803.05 and 170,553.87 is: 255,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,941.47 : 929,803.05 = 170,553.87 : x
  2. Step 2: Convert to fraction form
    619,941.47/929,803.05 = 170,553.87/x
  3. Step 3: Cross multiply
    619,941.47x = 929,803.05 × 170,553.87
  4. Step 4: Simplify right side
    619,941.47x = 158,581,508,515.30
  5. Step 5: Solve for x
    x = 158,581,508,515.30/619,941.47
  6. Step 6: Final answer
    x = 255,800.78

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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.