Home / 1,717,867.80-2,576,145.60-519,391.80

Finding the Fourth Proportional to 1,717,867.80, 2,576,145.60 and 519,391.80

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Solution

The fourth proportional to 1,717,867.80, 2,576,145.60 and 519,391.80 is: 778,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,867.80 : 2,576,145.60 = 519,391.80 : x
  2. Step 2: Convert to fraction form
    1,717,867.80/2,576,145.60 = 519,391.80/x
  3. Step 3: Cross multiply
    1,717,867.80x = 2,576,145.60 × 519,391.80
  4. Step 4: Simplify right side
    1,717,867.80x = 1,338,028,900,246.08
  5. Step 5: Solve for x
    x = 1,338,028,900,246.08/1,717,867.80
  6. Step 6: Final answer
    x = 778,889.33

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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.