Home / 391,494.04-540,236.20-230,317.95

Finding the Fourth Proportional to 391,494.04, 540,236.20 and 230,317.95

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Solution

The fourth proportional to 391,494.04, 540,236.20 and 230,317.95 is: 317,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,494.04 : 540,236.20 = 230,317.95 : x
  2. Step 2: Convert to fraction form
    391,494.04/540,236.20 = 230,317.95/x
  3. Step 3: Cross multiply
    391,494.04x = 540,236.20 × 230,317.95
  4. Step 4: Simplify right side
    391,494.04x = 124,426,094,099.79
  5. Step 5: Solve for x
    x = 124,426,094,099.79/391,494.04
  6. Step 6: Final answer
    x = 317,823.72

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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.