Home / 1,555,040.70-2,145,977.61-866,693.34

Finding the Fourth Proportional to 1,555,040.70, 2,145,977.61 and 866,693.34

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Solution

The fourth proportional to 1,555,040.70, 2,145,977.61 and 866,693.34 is: 1,196,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,040.70 : 2,145,977.61 = 866,693.34 : x
  2. Step 2: Convert to fraction form
    1,555,040.70/2,145,977.61 = 866,693.34/x
  3. Step 3: Cross multiply
    1,555,040.70x = 2,145,977.61 × 866,693.34
  4. Step 4: Simplify right side
    1,555,040.70x = 1,859,904,502,376.12
  5. Step 5: Solve for x
    x = 1,859,904,502,376.12/1,555,040.70
  6. Step 6: Final answer
    x = 1,196,048.76

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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.