Home / 476,154.56-657,103.20-261,282.08

Finding the Fourth Proportional to 476,154.56, 657,103.20 and 261,282.08

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Solution

The fourth proportional to 476,154.56, 657,103.20 and 261,282.08 is: 360,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,154.56 : 657,103.20 = 261,282.08 : x
  2. Step 2: Convert to fraction form
    476,154.56/657,103.20 = 261,282.08/x
  3. Step 3: Cross multiply
    476,154.56x = 657,103.20 × 261,282.08
  4. Step 4: Simplify right side
    476,154.56x = 171,689,290,870.66
  5. Step 5: Solve for x
    x = 171,689,290,870.66/476,154.56
  6. Step 6: Final answer
    x = 360,574.71

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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.