Home / 1,585,753.88-2,188,341.47-860,601.42

Finding the Fourth Proportional to 1,585,753.88, 2,188,341.47 and 860,601.42

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Solution

The fourth proportional to 1,585,753.88, 2,188,341.47 and 860,601.42 is: 1,187,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,753.88 : 2,188,341.47 = 860,601.42 : x
  2. Step 2: Convert to fraction form
    1,585,753.88/2,188,341.47 = 860,601.42/x
  3. Step 3: Cross multiply
    1,585,753.88x = 2,188,341.47 × 860,601.42
  4. Step 4: Simplify right side
    1,585,753.88x = 1,883,289,778,678.39
  5. Step 5: Solve for x
    x = 1,883,289,778,678.39/1,585,753.88
  6. Step 6: Final answer
    x = 1,187,630.57

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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.