Home / 465,456.24-642,357-350,532.23

Finding the Fourth Proportional to 465,456.24, 642,357 and 350,532.23

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Solution

The fourth proportional to 465,456.24, 642,357 and 350,532.23 is: 483,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,456.24 : 642,357 = 350,532.23 : x
  2. Step 2: Convert to fraction form
    465,456.24/642,357 = 350,532.23/x
  3. Step 3: Cross multiply
    465,456.24x = 642,357 × 350,532.23
  4. Step 4: Simplify right side
    465,456.24x = 225,166,828,454.33
  5. Step 5: Solve for x
    x = 225,166,828,454.33/465,456.24
  6. Step 6: Final answer
    x = 483,755.10

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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.