Home / 912,234.60-1,366,278.30-576,311.40

Finding the Fourth Proportional to 912,234.60, 1,366,278.30 and 576,311.40

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Solution

The fourth proportional to 912,234.60, 1,366,278.30 and 576,311.40 is: 863,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,234.60 : 1,366,278.30 = 576,311.40 : x
  2. Step 2: Convert to fraction form
    912,234.60/1,366,278.30 = 576,311.40/x
  3. Step 3: Cross multiply
    912,234.60x = 1,366,278.30 × 576,311.40
  4. Step 4: Simplify right side
    912,234.60x = 787,401,759,862.62
  5. Step 5: Solve for x
    x = 787,401,759,862.62/912,234.60
  6. Step 6: Final answer
    x = 863,157.09

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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.