Home / 1,585,800.29-2,188,420.75-860,654.27

Finding the Fourth Proportional to 1,585,800.29, 2,188,420.75 and 860,654.27

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Solution

The fourth proportional to 1,585,800.29, 2,188,420.75 and 860,654.27 is: 1,187,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,800.29 : 2,188,420.75 = 860,654.27 : x
  2. Step 2: Convert to fraction form
    1,585,800.29/2,188,420.75 = 860,654.27/x
  3. Step 3: Cross multiply
    1,585,800.29x = 2,188,420.75 × 860,654.27
  4. Step 4: Simplify right side
    1,585,800.29x = 1,883,473,652,102.00
  5. Step 5: Solve for x
    x = 1,883,473,652,102.00/1,585,800.29
  6. Step 6: Final answer
    x = 1,187,711.76

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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.