Home / 361,904.20-542,856.30-268,592.20

Finding the Fourth Proportional to 361,904.20, 542,856.30 and 268,592.20

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Solution

The fourth proportional to 361,904.20, 542,856.30 and 268,592.20 is: 402,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,904.20 : 542,856.30 = 268,592.20 : x
  2. Step 2: Convert to fraction form
    361,904.20/542,856.30 = 268,592.20/x
  3. Step 3: Cross multiply
    361,904.20x = 542,856.30 × 268,592.20
  4. Step 4: Simplify right side
    361,904.20x = 145,806,967,900.86
  5. Step 5: Solve for x
    x = 145,806,967,900.86/361,904.20
  6. Step 6: Final answer
    x = 402,888.30

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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.