Home / 836,709.32-1,154,667.80-454,736.12

Finding the Fourth Proportional to 836,709.32, 1,154,667.80 and 454,736.12

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Solution

The fourth proportional to 836,709.32, 1,154,667.80 and 454,736.12 is: 627,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,709.32 : 1,154,667.80 = 454,736.12 : x
  2. Step 2: Convert to fraction form
    836,709.32/1,154,667.80 = 454,736.12/x
  3. Step 3: Cross multiply
    836,709.32x = 1,154,667.80 × 454,736.12
  4. Step 4: Simplify right side
    836,709.32x = 525,069,155,260.94
  5. Step 5: Solve for x
    x = 525,069,155,260.94/836,709.32
  6. Step 6: Final answer
    x = 627,540.70

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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.