Home / 401,535.48-554,165.27-240,390.43

Finding the Fourth Proportional to 401,535.48, 554,165.27 and 240,390.43

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Solution

The fourth proportional to 401,535.48, 554,165.27 and 240,390.43 is: 331,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,535.48 : 554,165.27 = 240,390.43 : x
  2. Step 2: Convert to fraction form
    401,535.48/554,165.27 = 240,390.43/x
  3. Step 3: Cross multiply
    401,535.48x = 554,165.27 × 240,390.43
  4. Step 4: Simplify right side
    401,535.48x = 133,216,029,653.74
  5. Step 5: Solve for x
    x = 133,216,029,653.74/401,535.48
  6. Step 6: Final answer
    x = 331,766.52

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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.