Home / 1,585,955.11-2,188,590.59-860,787.25

Finding the Fourth Proportional to 1,585,955.11, 2,188,590.59 and 860,787.25

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Solution

The fourth proportional to 1,585,955.11, 2,188,590.59 and 860,787.25 is: 1,187,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,955.11 : 2,188,590.59 = 860,787.25 : x
  2. Step 2: Convert to fraction form
    1,585,955.11/2,188,590.59 = 860,787.25/x
  3. Step 3: Cross multiply
    1,585,955.11x = 2,188,590.59 × 860,787.25
  4. Step 4: Simplify right side
    1,585,955.11x = 1,883,910,879,491.36
  5. Step 5: Solve for x
    x = 1,883,910,879,491.36/1,585,955.11
  6. Step 6: Final answer
    x = 1,187,871.51

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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.