Home / 436,937.20-655,427.40-226,985.20

Finding the Fourth Proportional to 436,937.20, 655,427.40 and 226,985.20

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Solution

The fourth proportional to 436,937.20, 655,427.40 and 226,985.20 is: 340,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,937.20 : 655,427.40 = 226,985.20 : x
  2. Step 2: Convert to fraction form
    436,937.20/655,427.40 = 226,985.20/x
  3. Step 3: Cross multiply
    436,937.20x = 655,427.40 × 226,985.20
  4. Step 4: Simplify right side
    436,937.20x = 148,772,319,474.48
  5. Step 5: Solve for x
    x = 148,772,319,474.48/436,937.20
  6. Step 6: Final answer
    x = 340,489.02

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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.