Home / 651,195.20-976,792.80-296,901.20

Finding the Fourth Proportional to 651,195.20, 976,792.80 and 296,901.20

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Solution

The fourth proportional to 651,195.20, 976,792.80 and 296,901.20 is: 445,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,195.20 : 976,792.80 = 296,901.20 : x
  2. Step 2: Convert to fraction form
    651,195.20/976,792.80 = 296,901.20/x
  3. Step 3: Cross multiply
    651,195.20x = 976,792.80 × 296,901.20
  4. Step 4: Simplify right side
    651,195.20x = 290,010,954,471.36
  5. Step 5: Solve for x
    x = 290,010,954,471.36/651,195.20
  6. Step 6: Final answer
    x = 445,351.80

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Half scale
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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.