Home / 926,682.28-1,278,974.56-636,055.09

Finding the Fourth Proportional to 926,682.28, 1,278,974.56 and 636,055.09

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Solution

The fourth proportional to 926,682.28, 1,278,974.56 and 636,055.09 is: 877,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,682.28 : 1,278,974.56 = 636,055.09 : x
  2. Step 2: Convert to fraction form
    926,682.28/1,278,974.56 = 636,055.09/x
  3. Step 3: Cross multiply
    926,682.28x = 1,278,974.56 × 636,055.09
  4. Step 4: Simplify right side
    926,682.28x = 813,498,282,467.77
  5. Step 5: Solve for x
    x = 813,498,282,467.77/926,682.28
  6. Step 6: Final answer
    x = 877,861.05

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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.