Home / 1,707,390.80-2,561,215.80-509,219.60

Finding the Fourth Proportional to 1,707,390.80, 2,561,215.80 and 509,219.60

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Solution

The fourth proportional to 1,707,390.80, 2,561,215.80 and 509,219.60 is: 763,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,390.80 : 2,561,215.80 = 509,219.60 : x
  2. Step 2: Convert to fraction form
    1,707,390.80/2,561,215.80 = 509,219.60/x
  3. Step 3: Cross multiply
    1,707,390.80x = 2,561,215.80 × 509,219.60
  4. Step 4: Simplify right side
    1,707,390.80x = 1,304,221,285,189.68
  5. Step 5: Solve for x
    x = 1,304,221,285,189.68/1,707,390.80
  6. Step 6: Final answer
    x = 763,868.05

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Double scale
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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.