Home / 649,233.20-973,849.80-383,121.20

Finding the Fourth Proportional to 649,233.20, 973,849.80 and 383,121.20

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Solution

The fourth proportional to 649,233.20, 973,849.80 and 383,121.20 is: 574,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,233.20 : 973,849.80 = 383,121.20 : x
  2. Step 2: Convert to fraction form
    649,233.20/973,849.80 = 383,121.20/x
  3. Step 3: Cross multiply
    649,233.20x = 973,849.80 × 383,121.20
  4. Step 4: Simplify right side
    649,233.20x = 373,102,503,995.76
  5. Step 5: Solve for x
    x = 373,102,503,995.76/649,233.20
  6. Step 6: Final answer
    x = 574,681.80

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Double scale
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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.