Home / 691,921.88-1,038,022.86-292,562

Finding the Fourth Proportional to 691,921.88, 1,038,022.86 and 292,562

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Solution

The fourth proportional to 691,921.88, 1,038,022.86 and 292,562 is: 438,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,921.88 : 1,038,022.86 = 292,562 : x
  2. Step 2: Convert to fraction form
    691,921.88/1,038,022.86 = 292,562/x
  3. Step 3: Cross multiply
    691,921.88x = 1,038,022.86 × 292,562
  4. Step 4: Simplify right side
    691,921.88x = 303,686,043,967.32
  5. Step 5: Solve for x
    x = 303,686,043,967.32/691,921.88
  6. Step 6: Final answer
    x = 438,902.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.