Home / 754,015.61-1,040,542.67-414,485.93

Finding the Fourth Proportional to 754,015.61, 1,040,542.67 and 414,485.93

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Solution

The fourth proportional to 754,015.61, 1,040,542.67 and 414,485.93 is: 571,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,015.61 : 1,040,542.67 = 414,485.93 : x
  2. Step 2: Convert to fraction form
    754,015.61/1,040,542.67 = 414,485.93/x
  3. Step 3: Cross multiply
    754,015.61x = 1,040,542.67 × 414,485.93
  4. Step 4: Simplify right side
    754,015.61x = 431,290,294,207.20
  5. Step 5: Solve for x
    x = 431,290,294,207.20/754,015.61
  6. Step 6: Final answer
    x = 571,991.20

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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.