Home / 938,535.25-1,296,247.85-636,204.37

Finding the Fourth Proportional to 938,535.25, 1,296,247.85 and 636,204.37

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Solution

The fourth proportional to 938,535.25, 1,296,247.85 and 636,204.37 is: 878,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,535.25 : 1,296,247.85 = 636,204.37 : x
  2. Step 2: Convert to fraction form
    938,535.25/1,296,247.85 = 636,204.37/x
  3. Step 3: Cross multiply
    938,535.25x = 1,296,247.85 × 636,204.37
  4. Step 4: Simplify right side
    938,535.25x = 824,678,546,773.11
  5. Step 5: Solve for x
    x = 824,678,546,773.11/938,535.25
  6. Step 6: Final answer
    x = 878,686.81

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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.