Home / 889,192.62-1,333,786.95-687,082.63

Finding the Fourth Proportional to 889,192.62, 1,333,786.95 and 687,082.63

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Solution

The fourth proportional to 889,192.62, 1,333,786.95 and 687,082.63 is: 1,030,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,192.62 : 1,333,786.95 = 687,082.63 : x
  2. Step 2: Convert to fraction form
    889,192.62/1,333,786.95 = 687,082.63/x
  3. Step 3: Cross multiply
    889,192.62x = 1,333,786.95 × 687,082.63
  4. Step 4: Simplify right side
    889,192.62x = 916,421,845,465.68
  5. Step 5: Solve for x
    x = 916,421,845,465.68/889,192.62
  6. Step 6: Final answer
    x = 1,030,622.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.