Home / 865,604.20-1,298,175.90-266,564.20

Finding the Fourth Proportional to 865,604.20, 1,298,175.90 and 266,564.20

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Solution

The fourth proportional to 865,604.20, 1,298,175.90 and 266,564.20 is: 399,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,604.20 : 1,298,175.90 = 266,564.20 : x
  2. Step 2: Convert to fraction form
    865,604.20/1,298,175.90 = 266,564.20/x
  3. Step 3: Cross multiply
    865,604.20x = 1,298,175.90 × 266,564.20
  4. Step 4: Simplify right side
    865,604.20x = 346,047,220,242.78
  5. Step 5: Solve for x
    x = 346,047,220,242.78/865,604.20
  6. Step 6: Final answer
    x = 399,775.35

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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.