Home / 785,174.52-1,083,464.32-440,932.18

Finding the Fourth Proportional to 785,174.52, 1,083,464.32 and 440,932.18

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Solution

The fourth proportional to 785,174.52, 1,083,464.32 and 440,932.18 is: 608,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,174.52 : 1,083,464.32 = 440,932.18 : x
  2. Step 2: Convert to fraction form
    785,174.52/1,083,464.32 = 440,932.18/x
  3. Step 3: Cross multiply
    785,174.52x = 1,083,464.32 × 440,932.18
  4. Step 4: Simplify right side
    785,174.52x = 477,734,279,342.92
  5. Step 5: Solve for x
    x = 477,734,279,342.92/785,174.52
  6. Step 6: Final answer
    x = 608,443.43

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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.