Home / 1,910,891.25-2,866,779.74-648,718.88

Finding the Fourth Proportional to 1,910,891.25, 2,866,779.74 and 648,718.88

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Solution

The fourth proportional to 1,910,891.25, 2,866,779.74 and 648,718.88 is: 973,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,891.25 : 2,866,779.74 = 648,718.88 : x
  2. Step 2: Convert to fraction form
    1,910,891.25/2,866,779.74 = 648,718.88/x
  3. Step 3: Cross multiply
    1,910,891.25x = 2,866,779.74 × 648,718.88
  4. Step 4: Simplify right side
    1,910,891.25x = 1,859,734,129,427.39
  5. Step 5: Solve for x
    x = 1,859,734,129,427.39/1,910,891.25
  6. Step 6: Final answer
    x = 973,228.66

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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.