Home / 462,439.11-638,173.85-258,494.07

Finding the Fourth Proportional to 462,439.11, 638,173.85 and 258,494.07

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Solution

The fourth proportional to 462,439.11, 638,173.85 and 258,494.07 is: 356,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,439.11 : 638,173.85 = 258,494.07 : x
  2. Step 2: Convert to fraction form
    462,439.11/638,173.85 = 258,494.07/x
  3. Step 3: Cross multiply
    462,439.11x = 638,173.85 × 258,494.07
  4. Step 4: Simplify right side
    462,439.11x = 164,964,154,561.60
  5. Step 5: Solve for x
    x = 164,964,154,561.60/462,439.11
  6. Step 6: Final answer
    x = 356,726.22

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1.5x scale

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.