Home / 836,943.60-1,154,968.56-454,980

Finding the Fourth Proportional to 836,943.60, 1,154,968.56 and 454,980

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Solution

The fourth proportional to 836,943.60, 1,154,968.56 and 454,980 is: 627,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,943.60 : 1,154,968.56 = 454,980 : x
  2. Step 2: Convert to fraction form
    836,943.60/1,154,968.56 = 454,980/x
  3. Step 3: Cross multiply
    836,943.60x = 1,154,968.56 × 454,980
  4. Step 4: Simplify right side
    836,943.60x = 525,487,595,428.80
  5. Step 5: Solve for x
    x = 525,487,595,428.80/836,943.60
  6. Step 6: Final answer
    x = 627,865.00

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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.