Home / 1,557,605.70-2,336,408.55-658,814.31

Finding the Fourth Proportional to 1,557,605.70, 2,336,408.55 and 658,814.31

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Solution

The fourth proportional to 1,557,605.70, 2,336,408.55 and 658,814.31 is: 988,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,605.70 : 2,336,408.55 = 658,814.31 : x
  2. Step 2: Convert to fraction form
    1,557,605.70/2,336,408.55 = 658,814.31/x
  3. Step 3: Cross multiply
    1,557,605.70x = 2,336,408.55 × 658,814.31
  4. Step 4: Simplify right side
    1,557,605.70x = 1,539,259,386,746.35
  5. Step 5: Solve for x
    x = 1,539,259,386,746.35/1,557,605.70
  6. Step 6: Final answer
    x = 988,221.47

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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.