Home / 462,867.48-638,499.88-269,253.40

Finding the Fourth Proportional to 462,867.48, 638,499.88 and 269,253.40

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Solution

The fourth proportional to 462,867.48, 638,499.88 and 269,253.40 is: 371,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,867.48 : 638,499.88 = 269,253.40 : x
  2. Step 2: Convert to fraction form
    462,867.48/638,499.88 = 269,253.40/x
  3. Step 3: Cross multiply
    462,867.48x = 638,499.88 × 269,253.40
  4. Step 4: Simplify right side
    462,867.48x = 171,918,263,589.59
  5. Step 5: Solve for x
    x = 171,918,263,589.59/462,867.48
  6. Step 6: Final answer
    x = 371,420.05

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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.