Home / 598,636.33-826,135.45-326,721.56

Finding the Fourth Proportional to 598,636.33, 826,135.45 and 326,721.56

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Solution

The fourth proportional to 598,636.33, 826,135.45 and 326,721.56 is: 450,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,636.33 : 826,135.45 = 326,721.56 : x
  2. Step 2: Convert to fraction form
    598,636.33/826,135.45 = 326,721.56/x
  3. Step 3: Cross multiply
    598,636.33x = 826,135.45 × 326,721.56
  4. Step 4: Simplify right side
    598,636.33x = 269,916,258,047.82
  5. Step 5: Solve for x
    x = 269,916,258,047.82/598,636.33
  6. Step 6: Final answer
    x = 450,885.20

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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.