Home / 938,536.25-1,296,249.23-636,205.37

Finding the Fourth Proportional to 938,536.25, 1,296,249.23 and 636,205.37

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Solution

The fourth proportional to 938,536.25, 1,296,249.23 and 636,205.37 is: 878,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,536.25 : 1,296,249.23 = 636,205.37 : x
  2. Step 2: Convert to fraction form
    938,536.25/1,296,249.23 = 636,205.37/x
  3. Step 3: Cross multiply
    938,536.25x = 1,296,249.23 × 636,205.37
  4. Step 4: Simplify right side
    938,536.25x = 824,680,720,984.37
  5. Step 5: Solve for x
    x = 824,680,720,984.37/938,536.25
  6. Step 6: Final answer
    x = 878,688.19

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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.