Home / 1,585,636.05-2,188,179.12-860,483.76

Finding the Fourth Proportional to 1,585,636.05, 2,188,179.12 and 860,483.76

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Solution

The fourth proportional to 1,585,636.05, 2,188,179.12 and 860,483.76 is: 1,187,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,636.05 : 2,188,179.12 = 860,483.76 : x
  2. Step 2: Convert to fraction form
    1,585,636.05/2,188,179.12 = 860,483.76/x
  3. Step 3: Cross multiply
    1,585,636.05x = 2,188,179.12 × 860,483.76
  4. Step 4: Simplify right side
    1,585,636.05x = 1,882,892,596,731.09
  5. Step 5: Solve for x
    x = 1,882,892,596,731.09/1,585,636.05
  6. Step 6: Final answer
    x = 1,187,468.33

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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.