Home / 906,836.58-1,251,453.89-498,939.61

Finding the Fourth Proportional to 906,836.58, 1,251,453.89 and 498,939.61

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Solution

The fourth proportional to 906,836.58, 1,251,453.89 and 498,939.61 is: 688,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,836.58 : 1,251,453.89 = 498,939.61 : x
  2. Step 2: Convert to fraction form
    906,836.58/1,251,453.89 = 498,939.61/x
  3. Step 3: Cross multiply
    906,836.58x = 1,251,453.89 × 498,939.61
  4. Step 4: Simplify right side
    906,836.58x = 624,399,914,879.20
  5. Step 5: Solve for x
    x = 624,399,914,879.20/906,836.58
  6. Step 6: Final answer
    x = 688,547.34

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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.