Home / 766,160.78-1,148,847.50-411,473.12

Finding the Fourth Proportional to 766,160.78, 1,148,847.50 and 411,473.12

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Solution

The fourth proportional to 766,160.78, 1,148,847.50 and 411,473.12 is: 616,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,160.78 : 1,148,847.50 = 411,473.12 : x
  2. Step 2: Convert to fraction form
    766,160.78/1,148,847.50 = 411,473.12/x
  3. Step 3: Cross multiply
    766,160.78x = 1,148,847.50 × 411,473.12
  4. Step 4: Simplify right side
    766,160.78x = 472,719,860,513.65
  5. Step 5: Solve for x
    x = 472,719,860,513.65/766,160.78
  6. Step 6: Final answer
    x = 616,998.25

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Double scale
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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.