Home / 460,823.80-691,332.90-194,447.20

Finding the Fourth Proportional to 460,823.80, 691,332.90 and 194,447.20

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Solution

The fourth proportional to 460,823.80, 691,332.90 and 194,447.20 is: 291,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,823.80 : 691,332.90 = 194,447.20 : x
  2. Step 2: Convert to fraction form
    460,823.80/691,332.90 = 194,447.20/x
  3. Step 3: Cross multiply
    460,823.80x = 691,332.90 × 194,447.20
  4. Step 4: Simplify right side
    460,823.80x = 134,427,746,672.88
  5. Step 5: Solve for x
    x = 134,427,746,672.88/460,823.80
  6. Step 6: Final answer
    x = 291,711.81

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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.