Home / 1,585,800.78-2,188,421.44-860,654.76

Finding the Fourth Proportional to 1,585,800.78, 2,188,421.44 and 860,654.76

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Solution

The fourth proportional to 1,585,800.78, 2,188,421.44 and 860,654.76 is: 1,187,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,800.78 : 2,188,421.44 = 860,654.76 : x
  2. Step 2: Convert to fraction form
    1,585,800.78/2,188,421.44 = 860,654.76/x
  3. Step 3: Cross multiply
    1,585,800.78x = 2,188,421.44 × 860,654.76
  4. Step 4: Simplify right side
    1,585,800.78x = 1,883,475,329,222.05
  5. Step 5: Solve for x
    x = 1,883,475,329,222.05/1,585,800.78
  6. Step 6: Final answer
    x = 1,187,712.45

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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.