Home / 417,393.20-625,250.18-316,364.04

Finding the Fourth Proportional to 417,393.20, 625,250.18 and 316,364.04

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Solution

The fourth proportional to 417,393.20, 625,250.18 and 316,364.04 is: 473,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,393.20 : 625,250.18 = 316,364.04 : x
  2. Step 2: Convert to fraction form
    417,393.20/625,250.18 = 316,364.04/x
  3. Step 3: Cross multiply
    417,393.20x = 625,250.18 × 316,364.04
  4. Step 4: Simplify right side
    417,393.20x = 197,806,673,746.44
  5. Step 5: Solve for x
    x = 197,806,673,746.44/417,393.20
  6. Step 6: Final answer
    x = 473,909.67

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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.