Home / 836,873.20-1,154,889.16-454,900

Finding the Fourth Proportional to 836,873.20, 1,154,889.16 and 454,900

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Solution

The fourth proportional to 836,873.20, 1,154,889.16 and 454,900 is: 627,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,873.20 : 1,154,889.16 = 454,900 : x
  2. Step 2: Convert to fraction form
    836,873.20/1,154,889.16 = 454,900/x
  3. Step 3: Cross multiply
    836,873.20x = 1,154,889.16 × 454,900
  4. Step 4: Simplify right side
    836,873.20x = 525,359,078,884.00
  5. Step 5: Solve for x
    x = 525,359,078,884.00/836,873.20
  6. Step 6: Final answer
    x = 627,764.25

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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.