Home / 560,023.20-839,959.20-223,311.60

Finding the Fourth Proportional to 560,023.20, 839,959.20 and 223,311.60

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Solution

The fourth proportional to 560,023.20, 839,959.20 and 223,311.60 is: 334,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,023.20 : 839,959.20 = 223,311.60 : x
  2. Step 2: Convert to fraction form
    560,023.20/839,959.20 = 223,311.60/x
  3. Step 3: Cross multiply
    560,023.20x = 839,959.20 × 223,311.60
  4. Step 4: Simplify right side
    560,023.20x = 187,572,632,886.72
  5. Step 5: Solve for x
    x = 187,572,632,886.72/560,023.20
  6. Step 6: Final answer
    x = 334,937.25

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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.