Home / 1,585,520.15-2,188,006.71-860,349.43

Finding the Fourth Proportional to 1,585,520.15, 2,188,006.71 and 860,349.43

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Solution

The fourth proportional to 1,585,520.15, 2,188,006.71 and 860,349.43 is: 1,187,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,520.15 : 2,188,006.71 = 860,349.43 : x
  2. Step 2: Convert to fraction form
    1,585,520.15/2,188,006.71 = 860,349.43/x
  3. Step 3: Cross multiply
    1,585,520.15x = 2,188,006.71 × 860,349.43
  4. Step 4: Simplify right side
    1,585,520.15x = 1,882,450,314,844.64
  5. Step 5: Solve for x
    x = 1,882,450,314,844.64/1,585,520.15
  6. Step 6: Final answer
    x = 1,187,276.18

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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.