Home / 674,792.10-1,012,188.15-275,300.10

Finding the Fourth Proportional to 674,792.10, 1,012,188.15 and 275,300.10

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Solution

The fourth proportional to 674,792.10, 1,012,188.15 and 275,300.10 is: 412,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,792.10 : 1,012,188.15 = 275,300.10 : x
  2. Step 2: Convert to fraction form
    674,792.10/1,012,188.15 = 275,300.10/x
  3. Step 3: Cross multiply
    674,792.10x = 1,012,188.15 × 275,300.10
  4. Step 4: Simplify right side
    674,792.10x = 278,655,498,913.82
  5. Step 5: Solve for x
    x = 278,655,498,913.82/674,792.10
  6. Step 6: Final answer
    x = 412,950.15

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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.