Home / 1,585,997.34-2,188,678.53-860,845.20

Finding the Fourth Proportional to 1,585,997.34, 2,188,678.53 and 860,845.20

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Solution

The fourth proportional to 1,585,997.34, 2,188,678.53 and 860,845.20 is: 1,187,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,997.34 : 2,188,678.53 = 860,845.20 : x
  2. Step 2: Convert to fraction form
    1,585,997.34/2,188,678.53 = 860,845.20/x
  3. Step 3: Cross multiply
    1,585,997.34x = 2,188,678.53 × 860,845.20
  4. Step 4: Simplify right side
    1,585,997.34x = 1,884,113,406,893.56
  5. Step 5: Solve for x
    x = 1,884,113,406,893.56/1,585,997.34
  6. Step 6: Final answer
    x = 1,187,967.57

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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.