Home / 483,320.90-724,981.35-304,861.70

Finding the Fourth Proportional to 483,320.90, 724,981.35 and 304,861.70

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Solution

The fourth proportional to 483,320.90, 724,981.35 and 304,861.70 is: 457,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,320.90 : 724,981.35 = 304,861.70 : x
  2. Step 2: Convert to fraction form
    483,320.90/724,981.35 = 304,861.70/x
  3. Step 3: Cross multiply
    483,320.90x = 724,981.35 × 304,861.70
  4. Step 4: Simplify right side
    483,320.90x = 221,019,046,829.30
  5. Step 5: Solve for x
    x = 221,019,046,829.30/483,320.90
  6. Step 6: Final answer
    x = 457,292.55

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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.