Home / 1,436,953.51-1,982,981.32-783,577.92

Finding the Fourth Proportional to 1,436,953.51, 1,982,981.32 and 783,577.92

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Solution

The fourth proportional to 1,436,953.51, 1,982,981.32 and 783,577.92 is: 1,081,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,953.51 : 1,982,981.32 = 783,577.92 : x
  2. Step 2: Convert to fraction form
    1,436,953.51/1,982,981.32 = 783,577.92/x
  3. Step 3: Cross multiply
    1,436,953.51x = 1,982,981.32 × 783,577.92
  4. Step 4: Simplify right side
    1,436,953.51x = 1,553,820,378,124.45
  5. Step 5: Solve for x
    x = 1,553,820,378,124.45/1,436,953.51
  6. Step 6: Final answer
    x = 1,081,329.61

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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.