Home / 492,390.20-738,002.10-367,585.40

Finding the Fourth Proportional to 492,390.20, 738,002.10 and 367,585.40

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Solution

The fourth proportional to 492,390.20, 738,002.10 and 367,585.40 is: 550,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,390.20 : 738,002.10 = 367,585.40 : x
  2. Step 2: Convert to fraction form
    492,390.20/738,002.10 = 367,585.40/x
  3. Step 3: Cross multiply
    492,390.20x = 738,002.10 × 367,585.40
  4. Step 4: Simplify right side
    492,390.20x = 271,278,797,129.34
  5. Step 5: Solve for x
    x = 271,278,797,129.34/492,390.20
  6. Step 6: Final answer
    x = 550,942.72

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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.