Home / 1,290,171.74-1,935,490.92-531,591.19

Finding the Fourth Proportional to 1,290,171.74, 1,935,490.92 and 531,591.19

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Solution

The fourth proportional to 1,290,171.74, 1,935,490.92 and 531,591.19 is: 797,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,171.74 : 1,935,490.92 = 531,591.19 : x
  2. Step 2: Convert to fraction form
    1,290,171.74/1,935,490.92 = 531,591.19/x
  3. Step 3: Cross multiply
    1,290,171.74x = 1,935,490.92 × 531,591.19
  4. Step 4: Simplify right side
    1,290,171.74x = 1,028,889,914,564.80
  5. Step 5: Solve for x
    x = 1,028,889,914,564.80/1,290,171.74
  6. Step 6: Final answer
    x = 797,482.91

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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.