Home / 492,078.20-738,117.30-373,105.40

Finding the Fourth Proportional to 492,078.20, 738,117.30 and 373,105.40

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Solution

The fourth proportional to 492,078.20, 738,117.30 and 373,105.40 is: 559,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,078.20 : 738,117.30 = 373,105.40 : x
  2. Step 2: Convert to fraction form
    492,078.20/738,117.30 = 373,105.40/x
  3. Step 3: Cross multiply
    492,078.20x = 738,117.30 × 373,105.40
  4. Step 4: Simplify right side
    492,078.20x = 275,395,550,463.42
  5. Step 5: Solve for x
    x = 275,395,550,463.42/492,078.20
  6. Step 6: Final answer
    x = 559,658.10

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Similar ratio
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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.