Home / 836,842.90-1,154,851.41-454,869.45

Finding the Fourth Proportional to 836,842.90, 1,154,851.41 and 454,869.45

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Solution

The fourth proportional to 836,842.90, 1,154,851.41 and 454,869.45 is: 627,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,842.90 : 1,154,851.41 = 454,869.45 : x
  2. Step 2: Convert to fraction form
    836,842.90/1,154,851.41 = 454,869.45/x
  3. Step 3: Cross multiply
    836,842.90x = 1,154,851.41 × 454,869.45
  4. Step 4: Simplify right side
    836,842.90x = 525,306,625,698.43
  5. Step 5: Solve for x
    x = 525,306,625,698.43/836,842.90
  6. Step 6: Final answer
    x = 627,724.30

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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.