Home / 401,177.75-553,686.27-256,046.18

Finding the Fourth Proportional to 401,177.75, 553,686.27 and 256,046.18

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Solution

The fourth proportional to 401,177.75, 553,686.27 and 256,046.18 is: 353,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,177.75 : 553,686.27 = 256,046.18 : x
  2. Step 2: Convert to fraction form
    401,177.75/553,686.27 = 256,046.18/x
  3. Step 3: Cross multiply
    401,177.75x = 553,686.27 × 256,046.18
  4. Step 4: Simplify right side
    401,177.75x = 141,769,254,351.95
  5. Step 5: Solve for x
    x = 141,769,254,351.95/401,177.75
  6. Step 6: Final answer
    x = 353,382.64

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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.