Home / 401,363.17-554,171.81-258,372.33

Finding the Fourth Proportional to 401,363.17, 554,171.81 and 258,372.33

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Solution

The fourth proportional to 401,363.17, 554,171.81 and 258,372.33 is: 356,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,363.17 : 554,171.81 = 258,372.33 : x
  2. Step 2: Convert to fraction form
    401,363.17/554,171.81 = 258,372.33/x
  3. Step 3: Cross multiply
    401,363.17x = 554,171.81 × 258,372.33
  4. Step 4: Simplify right side
    401,363.17x = 143,182,662,970.57
  5. Step 5: Solve for x
    x = 143,182,662,970.57/401,363.17
  6. Step 6: Final answer
    x = 356,740.91

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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.