Home / 907,725.38-1,252,471.29-525,729.38

Finding the Fourth Proportional to 907,725.38, 1,252,471.29 and 525,729.38

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Solution

The fourth proportional to 907,725.38, 1,252,471.29 and 525,729.38 is: 725,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,725.38 : 1,252,471.29 = 525,729.38 : x
  2. Step 2: Convert to fraction form
    907,725.38/1,252,471.29 = 525,729.38/x
  3. Step 3: Cross multiply
    907,725.38x = 1,252,471.29 × 525,729.38
  4. Step 4: Simplify right side
    907,725.38x = 658,460,954,759.50
  5. Step 5: Solve for x
    x = 658,460,954,759.50/907,725.38
  6. Step 6: Final answer
    x = 725,396.66

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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.