Home / 1,126,238.32-1,554,208.80-616,940.56

Finding the Fourth Proportional to 1,126,238.32, 1,554,208.80 and 616,940.56

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Solution

The fourth proportional to 1,126,238.32, 1,554,208.80 and 616,940.56 is: 851,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,238.32 : 1,554,208.80 = 616,940.56 : x
  2. Step 2: Convert to fraction form
    1,126,238.32/1,554,208.80 = 616,940.56/x
  3. Step 3: Cross multiply
    1,126,238.32x = 1,554,208.80 × 616,940.56
  4. Step 4: Simplify right side
    1,126,238.32x = 958,854,447,428.93
  5. Step 5: Solve for x
    x = 958,854,447,428.93/1,126,238.32
  6. Step 6: Final answer
    x = 851,377.93

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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.