Home / 1,585,864.83-2,188,495.63-860,712.56

Finding the Fourth Proportional to 1,585,864.83, 2,188,495.63 and 860,712.56

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Solution

The fourth proportional to 1,585,864.83, 2,188,495.63 and 860,712.56 is: 1,187,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,864.83 : 2,188,495.63 = 860,712.56 : x
  2. Step 2: Convert to fraction form
    1,585,864.83/2,188,495.63 = 860,712.56/x
  3. Step 3: Cross multiply
    1,585,864.83x = 2,188,495.63 × 860,712.56
  4. Step 4: Simplify right side
    1,585,864.83x = 1,883,665,663,151.85
  5. Step 5: Solve for x
    x = 1,883,665,663,151.85/1,585,864.83
  6. Step 6: Final answer
    x = 1,187,784.50

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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.