Home / 938,536.06-1,296,248.97-636,205.18

Finding the Fourth Proportional to 938,536.06, 1,296,248.97 and 636,205.18

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Solution

The fourth proportional to 938,536.06, 1,296,248.97 and 636,205.18 is: 878,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,536.06 : 1,296,248.97 = 636,205.18 : x
  2. Step 2: Convert to fraction form
    938,536.06/1,296,248.97 = 636,205.18/x
  3. Step 3: Cross multiply
    938,536.06x = 1,296,248.97 × 636,205.18
  4. Step 4: Simplify right side
    938,536.06x = 824,680,309,283.67
  5. Step 5: Solve for x
    x = 824,680,309,283.67/938,536.06
  6. Step 6: Final answer
    x = 878,687.93

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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.