Home / 754,133.07-1,040,691.20-409,977.54

Finding the Fourth Proportional to 754,133.07, 1,040,691.20 and 409,977.54

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Solution

The fourth proportional to 754,133.07, 1,040,691.20 and 409,977.54 is: 565,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,133.07 : 1,040,691.20 = 409,977.54 : x
  2. Step 2: Convert to fraction form
    754,133.07/1,040,691.20 = 409,977.54/x
  3. Step 3: Cross multiply
    754,133.07x = 1,040,691.20 × 409,977.54
  4. Step 4: Simplify right side
    754,133.07x = 426,660,018,075.65
  5. Step 5: Solve for x
    x = 426,660,018,075.65/754,133.07
  6. Step 6: Final answer
    x = 565,762.24

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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.