Home / 836,693.28-1,154,645.70-454,720.12

Finding the Fourth Proportional to 836,693.28, 1,154,645.70 and 454,720.12

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Solution

The fourth proportional to 836,693.28, 1,154,645.70 and 454,720.12 is: 627,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,693.28 : 1,154,645.70 = 454,720.12 : x
  2. Step 2: Convert to fraction form
    836,693.28/1,154,645.70 = 454,720.12/x
  3. Step 3: Cross multiply
    836,693.28x = 1,154,645.70 × 454,720.12
  4. Step 4: Simplify right side
    836,693.28x = 525,040,631,261.48
  5. Step 5: Solve for x
    x = 525,040,631,261.48/836,693.28
  6. Step 6: Final answer
    x = 627,518.64

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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.