Home / 619,389.50-929,082.46-170,110.78

Finding the Fourth Proportional to 619,389.50, 929,082.46 and 170,110.78

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Solution

The fourth proportional to 619,389.50, 929,082.46 and 170,110.78 is: 255,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,389.50 : 929,082.46 = 170,110.78 : x
  2. Step 2: Convert to fraction form
    619,389.50/929,082.46 = 170,110.78/x
  3. Step 3: Cross multiply
    619,389.50x = 929,082.46 × 170,110.78
  4. Step 4: Simplify right side
    619,389.50x = 158,046,941,954.92
  5. Step 5: Solve for x
    x = 158,046,941,954.92/619,389.50
  6. Step 6: Final answer
    x = 255,165.68

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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.