Home / 1,079,882.28-1,619,823.42-414,567.72

Finding the Fourth Proportional to 1,079,882.28, 1,619,823.42 and 414,567.72

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Solution

The fourth proportional to 1,079,882.28, 1,619,823.42 and 414,567.72 is: 621,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,882.28 : 1,619,823.42 = 414,567.72 : x
  2. Step 2: Convert to fraction form
    1,079,882.28/1,619,823.42 = 414,567.72/x
  3. Step 3: Cross multiply
    1,079,882.28x = 1,619,823.42 × 414,567.72
  4. Step 4: Simplify right side
    1,079,882.28x = 671,526,502,032.00
  5. Step 5: Solve for x
    x = 671,526,502,032.00/1,079,882.28
  6. Step 6: Final answer
    x = 621,851.58

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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.