Home / 2,803,663.56-4,205,434.96-781,853.59

Finding the Fourth Proportional to 2,803,663.56, 4,205,434.96 and 781,853.59

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Solution

The fourth proportional to 2,803,663.56, 4,205,434.96 and 781,853.59 is: 1,172,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,663.56 : 4,205,434.96 = 781,853.59 : x
  2. Step 2: Convert to fraction form
    2,803,663.56/4,205,434.96 = 781,853.59/x
  3. Step 3: Cross multiply
    2,803,663.56x = 4,205,434.96 × 781,853.59
  4. Step 4: Simplify right side
    2,803,663.56x = 3,288,034,420,987.51
  5. Step 5: Solve for x
    x = 3,288,034,420,987.51/2,803,663.56
  6. Step 6: Final answer
    x = 1,172,763.55

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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.