Home / 1,865,449.72-2,798,174.58-517,612.57

Finding the Fourth Proportional to 1,865,449.72, 2,798,174.58 and 517,612.57

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Solution

The fourth proportional to 1,865,449.72, 2,798,174.58 and 517,612.57 is: 776,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,449.72 : 2,798,174.58 = 517,612.57 : x
  2. Step 2: Convert to fraction form
    1,865,449.72/2,798,174.58 = 517,612.57/x
  3. Step 3: Cross multiply
    1,865,449.72x = 2,798,174.58 × 517,612.57
  4. Step 4: Simplify right side
    1,865,449.72x = 1,448,370,335,662.47
  5. Step 5: Solve for x
    x = 1,448,370,335,662.47/1,865,449.72
  6. Step 6: Final answer
    x = 776,418.86

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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.