Home / 1,057,981.44-1,586,960.72-426,884.48

Finding the Fourth Proportional to 1,057,981.44, 1,586,960.72 and 426,884.48

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Solution

The fourth proportional to 1,057,981.44, 1,586,960.72 and 426,884.48 is: 640,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,981.44 : 1,586,960.72 = 426,884.48 : x
  2. Step 2: Convert to fraction form
    1,057,981.44/1,586,960.72 = 426,884.48/x
  3. Step 3: Cross multiply
    1,057,981.44x = 1,586,960.72 × 426,884.48
  4. Step 4: Simplify right side
    1,057,981.44x = 677,448,901,737.63
  5. Step 5: Solve for x
    x = 677,448,901,737.63/1,057,981.44
  6. Step 6: Final answer
    x = 640,322.10

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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.