Home / 563,103.84-777,083.58-308,456.04

Finding the Fourth Proportional to 563,103.84, 777,083.58 and 308,456.04

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Solution

The fourth proportional to 563,103.84, 777,083.58 and 308,456.04 is: 425,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,103.84 : 777,083.58 = 308,456.04 : x
  2. Step 2: Convert to fraction form
    563,103.84/777,083.58 = 308,456.04/x
  3. Step 3: Cross multiply
    563,103.84x = 777,083.58 × 308,456.04
  4. Step 4: Simplify right side
    563,103.84x = 239,696,123,835.82
  5. Step 5: Solve for x
    x = 239,696,123,835.82/563,103.84
  6. Step 6: Final answer
    x = 425,669.49

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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.