Home / 540,219.18-744,613.38-383,107.54

Finding the Fourth Proportional to 540,219.18, 744,613.38 and 383,107.54

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Solution

The fourth proportional to 540,219.18, 744,613.38 and 383,107.54 is: 528,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,219.18 : 744,613.38 = 383,107.54 : x
  2. Step 2: Convert to fraction form
    540,219.18/744,613.38 = 383,107.54/x
  3. Step 3: Cross multiply
    540,219.18x = 744,613.38 × 383,107.54
  4. Step 4: Simplify right side
    540,219.18x = 285,267,000,262.89
  5. Step 5: Solve for x
    x = 285,267,000,262.89/540,219.18
  6. Step 6: Final answer
    x = 528,057.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.