Home / 839,199.20-1,158,108.18-457,225.88

Finding the Fourth Proportional to 839,199.20, 1,158,108.18 and 457,225.88

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Solution

The fourth proportional to 839,199.20, 1,158,108.18 and 457,225.88 is: 630,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,199.20 : 1,158,108.18 = 457,225.88 : x
  2. Step 2: Convert to fraction form
    839,199.20/1,158,108.18 = 457,225.88/x
  3. Step 3: Cross multiply
    839,199.20x = 1,158,108.18 × 457,225.88
  4. Step 4: Simplify right side
    839,199.20x = 529,517,031,735.70
  5. Step 5: Solve for x
    x = 529,517,031,735.70/839,199.20
  6. Step 6: Final answer
    x = 630,978.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.