Home / 1,187,609.00-1,781,388.50-289,055.75

Finding the Fourth Proportional to 1,187,609.00, 1,781,388.50 and 289,055.75

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Solution

The fourth proportional to 1,187,609.00, 1,781,388.50 and 289,055.75 is: 433,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,609.00 : 1,781,388.50 = 289,055.75 : x
  2. Step 2: Convert to fraction form
    1,187,609.00/1,781,388.50 = 289,055.75/x
  3. Step 3: Cross multiply
    1,187,609.00x = 1,781,388.50 × 289,055.75
  4. Step 4: Simplify right side
    1,187,609.00x = 514,920,578,556.65
  5. Step 5: Solve for x
    x = 514,920,578,556.65/1,187,609.00
  6. Step 6: Final answer
    x = 433,577.53

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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.