Home / 754,108.80-1,040,643.60-414,574.56

Finding the Fourth Proportional to 754,108.80, 1,040,643.60 and 414,574.56

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Solution

The fourth proportional to 754,108.80, 1,040,643.60 and 414,574.56 is: 572,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,108.80 : 1,040,643.60 = 414,574.56 : x
  2. Step 2: Convert to fraction form
    754,108.80/1,040,643.60 = 414,574.56/x
  3. Step 3: Cross multiply
    754,108.80x = 1,040,643.60 × 414,574.56
  4. Step 4: Simplify right side
    754,108.80x = 431,424,362,586.82
  5. Step 5: Solve for x
    x = 431,424,362,586.82/754,108.80
  6. Step 6: Final answer
    x = 572,098.30

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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.