Home / 955,183.68-1,318,111.92-525,436.56

Finding the Fourth Proportional to 955,183.68, 1,318,111.92 and 525,436.56

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Solution

The fourth proportional to 955,183.68, 1,318,111.92 and 525,436.56 is: 725,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,183.68 : 1,318,111.92 = 525,436.56 : x
  2. Step 2: Convert to fraction form
    955,183.68/1,318,111.92 = 525,436.56/x
  3. Step 3: Cross multiply
    955,183.68x = 1,318,111.92 × 525,436.56
  4. Step 4: Simplify right side
    955,183.68x = 692,584,192,939.80
  5. Step 5: Solve for x
    x = 692,584,192,939.80/955,183.68
  6. Step 6: Final answer
    x = 725,079.59

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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.