Home / 1,376,538.36-1,900,313.64-860,578.92

Finding the Fourth Proportional to 1,376,538.36, 1,900,313.64 and 860,578.92

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Solution

The fourth proportional to 1,376,538.36, 1,900,313.64 and 860,578.92 is: 1,188,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,538.36 : 1,900,313.64 = 860,578.92 : x
  2. Step 2: Convert to fraction form
    1,376,538.36/1,900,313.64 = 860,578.92/x
  3. Step 3: Cross multiply
    1,376,538.36x = 1,900,313.64 × 860,578.92
  4. Step 4: Simplify right side
    1,376,538.36x = 1,635,369,859,972.47
  5. Step 5: Solve for x
    x = 1,635,369,859,972.47/1,376,538.36
  6. Step 6: Final answer
    x = 1,188,030.72

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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.