Home / 1,911,115.85-2,866,679.73-471,799.41

Finding the Fourth Proportional to 1,911,115.85, 2,866,679.73 and 471,799.41

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Solution

The fourth proportional to 1,911,115.85, 2,866,679.73 and 471,799.41 is: 707,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,115.85 : 2,866,679.73 = 471,799.41 : x
  2. Step 2: Convert to fraction form
    1,911,115.85/2,866,679.73 = 471,799.41/x
  3. Step 3: Cross multiply
    1,911,115.85x = 2,866,679.73 × 471,799.41
  4. Step 4: Simplify right side
    1,911,115.85x = 1,352,497,805,272.96
  5. Step 5: Solve for x
    x = 1,352,497,805,272.96/1,911,115.85
  6. Step 6: Final answer
    x = 707,700.59

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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.