Home / 754,078.13-1,040,647.69-414,554.93

Finding the Fourth Proportional to 754,078.13, 1,040,647.69 and 414,554.93

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Solution

The fourth proportional to 754,078.13, 1,040,647.69 and 414,554.93 is: 572,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,078.13 : 1,040,647.69 = 414,554.93 : x
  2. Step 2: Convert to fraction form
    754,078.13/1,040,647.69 = 414,554.93/x
  3. Step 3: Cross multiply
    754,078.13x = 1,040,647.69 × 414,554.93
  4. Step 4: Simplify right side
    754,078.13x = 431,405,630,282.61
  5. Step 5: Solve for x
    x = 431,405,630,282.61/754,078.13
  6. Step 6: Final answer
    x = 572,096.73

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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.