Home / 1,445,780.80-1,995,189.06-801,211.69

Finding the Fourth Proportional to 1,445,780.80, 1,995,189.06 and 801,211.69

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Solution

The fourth proportional to 1,445,780.80, 1,995,189.06 and 801,211.69 is: 1,105,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,780.80 : 1,995,189.06 = 801,211.69 : x
  2. Step 2: Convert to fraction form
    1,445,780.80/1,995,189.06 = 801,211.69/x
  3. Step 3: Cross multiply
    1,445,780.80x = 1,995,189.06 × 801,211.69
  4. Step 4: Simplify right side
    1,445,780.80x = 1,598,568,798,632.11
  5. Step 5: Solve for x
    x = 1,598,568,798,632.11/1,445,780.80
  6. Step 6: Final answer
    x = 1,105,678.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.