Home / 1,259,880.34-1,739,342.38-873,257.62

Finding the Fourth Proportional to 1,259,880.34, 1,739,342.38 and 873,257.62

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Solution

The fourth proportional to 1,259,880.34, 1,739,342.38 and 873,257.62 is: 1,205,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,880.34 : 1,739,342.38 = 873,257.62 : x
  2. Step 2: Convert to fraction form
    1,259,880.34/1,739,342.38 = 873,257.62/x
  3. Step 3: Cross multiply
    1,259,880.34x = 1,739,342.38 × 873,257.62
  4. Step 4: Simplify right side
    1,259,880.34x = 1,518,893,987,123.94
  5. Step 5: Solve for x
    x = 1,518,893,987,123.94/1,259,880.34
  6. Step 6: Final answer
    x = 1,205,585.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.