Home / 838,584.38-1,157,265.44-475,974.32

Finding the Fourth Proportional to 838,584.38, 1,157,265.44 and 475,974.32

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Solution

The fourth proportional to 838,584.38, 1,157,265.44 and 475,974.32 is: 656,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,584.38 : 1,157,265.44 = 475,974.32 : x
  2. Step 2: Convert to fraction form
    838,584.38/1,157,265.44 = 475,974.32/x
  3. Step 3: Cross multiply
    838,584.38x = 1,157,265.44 × 475,974.32
  4. Step 4: Simplify right side
    838,584.38x = 550,828,622,697.30
  5. Step 5: Solve for x
    x = 550,828,622,697.30/838,584.38
  6. Step 6: Final answer
    x = 656,855.34

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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.