Home / 457,195.12-685,542.69-363,030.19

Finding the Fourth Proportional to 457,195.12, 685,542.69 and 363,030.19

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Solution

The fourth proportional to 457,195.12, 685,542.69 and 363,030.19 is: 544,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,195.12 : 685,542.69 = 363,030.19 : x
  2. Step 2: Convert to fraction form
    457,195.12/685,542.69 = 363,030.19/x
  3. Step 3: Cross multiply
    457,195.12x = 685,542.69 × 363,030.19
  4. Step 4: Simplify right side
    457,195.12x = 248,872,693,003.81
  5. Step 5: Solve for x
    x = 248,872,693,003.81/457,195.12
  6. Step 6: Final answer
    x = 544,346.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.