Home / 841,300.57-1,262,268.85-329,331.57

Finding the Fourth Proportional to 841,300.57, 1,262,268.85 and 329,331.57

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Solution

The fourth proportional to 841,300.57, 1,262,268.85 and 329,331.57 is: 494,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,300.57 : 1,262,268.85 = 329,331.57 : x
  2. Step 2: Convert to fraction form
    841,300.57/1,262,268.85 = 329,331.57/x
  3. Step 3: Cross multiply
    841,300.57x = 1,262,268.85 × 329,331.57
  4. Step 4: Simplify right side
    841,300.57x = 415,704,987,277.77
  5. Step 5: Solve for x
    x = 415,704,987,277.77/841,300.57
  6. Step 6: Final answer
    x = 494,121.84

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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.