Home / 1,285,687.34-1,928,547.41-886,220.85

Finding the Fourth Proportional to 1,285,687.34, 1,928,547.41 and 886,220.85

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Solution

The fourth proportional to 1,285,687.34, 1,928,547.41 and 886,220.85 is: 1,329,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,687.34 : 1,928,547.41 = 886,220.85 : x
  2. Step 2: Convert to fraction form
    1,285,687.34/1,928,547.41 = 886,220.85/x
  3. Step 3: Cross multiply
    1,285,687.34x = 1,928,547.41 × 886,220.85
  4. Step 4: Simplify right side
    1,285,687.34x = 1,709,118,920,524.39
  5. Step 5: Solve for x
    x = 1,709,118,920,524.39/1,285,687.34
  6. Step 6: Final answer
    x = 1,329,342.58

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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.