Home / 1,212,578.04-1,818,366.64-413,924

Finding the Fourth Proportional to 1,212,578.04, 1,818,366.64 and 413,924

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Solution

The fourth proportional to 1,212,578.04, 1,818,366.64 and 413,924 is: 620,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,578.04 : 1,818,366.64 = 413,924 : x
  2. Step 2: Convert to fraction form
    1,212,578.04/1,818,366.64 = 413,924/x
  3. Step 3: Cross multiply
    1,212,578.04x = 1,818,366.64 × 413,924
  4. Step 4: Simplify right side
    1,212,578.04x = 752,665,593,095.36
  5. Step 5: Solve for x
    x = 752,665,593,095.36/1,212,578.04
  6. Step 6: Final answer
    x = 620,715.18

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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.