Home / 1,859,136.14-2,788,832.32-778,560.71

Finding the Fourth Proportional to 1,859,136.14, 2,788,832.32 and 778,560.71

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Solution

The fourth proportional to 1,859,136.14, 2,788,832.32 and 778,560.71 is: 1,167,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,136.14 : 2,788,832.32 = 778,560.71 : x
  2. Step 2: Convert to fraction form
    1,859,136.14/2,788,832.32 = 778,560.71/x
  3. Step 3: Cross multiply
    1,859,136.14x = 2,788,832.32 × 778,560.71
  4. Step 4: Simplify right side
    1,859,136.14x = 2,171,275,279,865.17
  5. Step 5: Solve for x
    x = 2,171,275,279,865.17/1,859,136.14
  6. Step 6: Final answer
    x = 1,167,894.72

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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.