Home / 906,856.17-1,251,435.70-498,958.28

Finding the Fourth Proportional to 906,856.17, 1,251,435.70 and 498,958.28

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Solution

The fourth proportional to 906,856.17, 1,251,435.70 and 498,958.28 is: 688,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,856.17 : 1,251,435.70 = 498,958.28 : x
  2. Step 2: Convert to fraction form
    906,856.17/1,251,435.70 = 498,958.28/x
  3. Step 3: Cross multiply
    906,856.17x = 1,251,435.70 × 498,958.28
  4. Step 4: Simplify right side
    906,856.17x = 624,414,206,283.79
  5. Step 5: Solve for x
    x = 624,414,206,283.79/906,856.17
  6. Step 6: Final answer
    x = 688,548.23

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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.