Home / 880,101.28-1,214,507.28-477,684.64

Finding the Fourth Proportional to 880,101.28, 1,214,507.28 and 477,684.64

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Solution

The fourth proportional to 880,101.28, 1,214,507.28 and 477,684.64 is: 659,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,101.28 : 1,214,507.28 = 477,684.64 : x
  2. Step 2: Convert to fraction form
    880,101.28/1,214,507.28 = 477,684.64/x
  3. Step 3: Cross multiply
    880,101.28x = 1,214,507.28 × 477,684.64
  4. Step 4: Simplify right side
    880,101.28x = 580,151,472,824.18
  5. Step 5: Solve for x
    x = 580,151,472,824.18/880,101.28
  6. Step 6: Final answer
    x = 659,187.17

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Double scale
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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.