Home / 462,719.52-638,548.44-258,768.12

Finding the Fourth Proportional to 462,719.52, 638,548.44 and 258,768.12

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Solution

The fourth proportional to 462,719.52, 638,548.44 and 258,768.12 is: 357,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,719.52 : 638,548.44 = 258,768.12 : x
  2. Step 2: Convert to fraction form
    462,719.52/638,548.44 = 258,768.12/x
  3. Step 3: Cross multiply
    462,719.52x = 638,548.44 × 258,768.12
  4. Step 4: Simplify right side
    462,719.52x = 165,235,979,347.73
  5. Step 5: Solve for x
    x = 165,235,979,347.73/462,719.52
  6. Step 6: Final answer
    x = 357,097.49

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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.