Home / 1,176,962-1,624,233.48-640,418

Finding the Fourth Proportional to 1,176,962, 1,624,233.48 and 640,418

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Solution

The fourth proportional to 1,176,962, 1,624,233.48 and 640,418 is: 883,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,962 : 1,624,233.48 = 640,418 : x
  2. Step 2: Convert to fraction form
    1,176,962/1,624,233.48 = 640,418/x
  3. Step 3: Cross multiply
    1,176,962x = 1,624,233.48 × 640,418
  4. Step 4: Simplify right side
    1,176,962x = 1,040,188,356,794.64
  5. Step 5: Solve for x
    x = 1,040,188,356,794.64/1,176,962
  6. Step 6: Final answer
    x = 883,790.94

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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.