Home / 1,376,896.86-1,900,808.37-860,937.66

Finding the Fourth Proportional to 1,376,896.86, 1,900,808.37 and 860,937.66

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Solution

The fourth proportional to 1,376,896.86, 1,900,808.37 and 860,937.66 is: 1,188,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,896.86 : 1,900,808.37 = 860,937.66 : x
  2. Step 2: Convert to fraction form
    1,376,896.86/1,900,808.37 = 860,937.66/x
  3. Step 3: Cross multiply
    1,376,896.86x = 1,900,808.37 × 860,937.66
  4. Step 4: Simplify right side
    1,376,896.86x = 1,636,477,510,176.21
  5. Step 5: Solve for x
    x = 1,636,477,510,176.21/1,376,896.86
  6. Step 6: Final answer
    x = 1,188,525.85

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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.