Home / 936,915.56-1,292,947.62-507,195.68

Finding the Fourth Proportional to 936,915.56, 1,292,947.62 and 507,195.68

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Solution

The fourth proportional to 936,915.56, 1,292,947.62 and 507,195.68 is: 699,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,915.56 : 1,292,947.62 = 507,195.68 : x
  2. Step 2: Convert to fraction form
    936,915.56/1,292,947.62 = 507,195.68/x
  3. Step 3: Cross multiply
    936,915.56x = 1,292,947.62 × 507,195.68
  4. Step 4: Simplify right side
    936,915.56x = 655,777,438,963.56
  5. Step 5: Solve for x
    x = 655,777,438,963.56/936,915.56
  6. Step 6: Final answer
    x = 699,932.28

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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.