Home / 465,856.48-642,867.04-261,916.03

Finding the Fourth Proportional to 465,856.48, 642,867.04 and 261,916.03

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Solution

The fourth proportional to 465,856.48, 642,867.04 and 261,916.03 is: 361,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,856.48 : 642,867.04 = 261,916.03 : x
  2. Step 2: Convert to fraction form
    465,856.48/642,867.04 = 261,916.03/x
  3. Step 3: Cross multiply
    465,856.48x = 642,867.04 × 261,916.03
  4. Step 4: Simplify right side
    465,856.48x = 168,377,182,934.65
  5. Step 5: Solve for x
    x = 168,377,182,934.65/465,856.48
  6. Step 6: Final answer
    x = 361,435.74

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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.