Home / 1,067,635.77-1,473,293.45-638,152.71

Finding the Fourth Proportional to 1,067,635.77, 1,473,293.45 and 638,152.71

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Solution

The fourth proportional to 1,067,635.77, 1,473,293.45 and 638,152.71 is: 880,624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,635.77 : 1,473,293.45 = 638,152.71 : x
  2. Step 2: Convert to fraction form
    1,067,635.77/1,473,293.45 = 638,152.71/x
  3. Step 3: Cross multiply
    1,067,635.77x = 1,473,293.45 × 638,152.71
  4. Step 4: Simplify right side
    1,067,635.77x = 940,186,204,551.99
  5. Step 5: Solve for x
    x = 940,186,204,551.99/1,067,635.77
  6. Step 6: Final answer
    x = 880,624.49

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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.