Home / 525,569.26-725,286.28-299,214.76

Finding the Fourth Proportional to 525,569.26, 725,286.28 and 299,214.76

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Solution

The fourth proportional to 525,569.26, 725,286.28 and 299,214.76 is: 412,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,569.26 : 725,286.28 = 299,214.76 : x
  2. Step 2: Convert to fraction form
    525,569.26/725,286.28 = 299,214.76/x
  3. Step 3: Cross multiply
    525,569.26x = 725,286.28 × 299,214.76
  4. Step 4: Simplify right side
    525,569.26x = 217,016,360,201.49
  5. Step 5: Solve for x
    x = 217,016,360,201.49/525,569.26
  6. Step 6: Final answer
    x = 412,916.77

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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.