Home / 938,534.25-1,296,246.47-636,203.37

Finding the Fourth Proportional to 938,534.25, 1,296,246.47 and 636,203.37

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Solution

The fourth proportional to 938,534.25, 1,296,246.47 and 636,203.37 is: 878,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,534.25 : 1,296,246.47 = 636,203.37 : x
  2. Step 2: Convert to fraction form
    938,534.25/1,296,246.47 = 636,203.37/x
  3. Step 3: Cross multiply
    938,534.25x = 1,296,246.47 × 636,203.37
  4. Step 4: Simplify right side
    938,534.25x = 824,676,369,383.59
  5. Step 5: Solve for x
    x = 824,676,369,383.59/938,534.25
  6. Step 6: Final answer
    x = 878,685.43

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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.