Home / 836,775.06-1,154,753.73-454,809.30

Finding the Fourth Proportional to 836,775.06, 1,154,753.73 and 454,809.30

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Solution

The fourth proportional to 836,775.06, 1,154,753.73 and 454,809.30 is: 627,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,775.06 : 1,154,753.73 = 454,809.30 : x
  2. Step 2: Convert to fraction form
    836,775.06/1,154,753.73 = 454,809.30/x
  3. Step 3: Cross multiply
    836,775.06x = 1,154,753.73 × 454,809.30
  4. Step 4: Simplify right side
    836,775.06x = 525,192,735,613.69
  5. Step 5: Solve for x
    x = 525,192,735,613.69/836,775.06
  6. Step 6: Final answer
    x = 627,639.09

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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.