Home / 525,724.16-725,514.30-293,156.48

Finding the Fourth Proportional to 525,724.16, 725,514.30 and 293,156.48

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Solution

The fourth proportional to 525,724.16, 725,514.30 and 293,156.48 is: 404,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,724.16 : 725,514.30 = 293,156.48 : x
  2. Step 2: Convert to fraction form
    525,724.16/725,514.30 = 293,156.48/x
  3. Step 3: Cross multiply
    525,724.16x = 725,514.30 × 293,156.48
  4. Step 4: Simplify right side
    525,724.16x = 212,689,218,377.66
  5. Step 5: Solve for x
    x = 212,689,218,377.66/525,724.16
  6. Step 6: Final answer
    x = 404,564.28

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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.