Home / 1,191,072.56-1,786,161.71-432,726.66

Finding the Fourth Proportional to 1,191,072.56, 1,786,161.71 and 432,726.66

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Solution

The fourth proportional to 1,191,072.56, 1,786,161.71 and 432,726.66 is: 648,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,072.56 : 1,786,161.71 = 432,726.66 : x
  2. Step 2: Convert to fraction form
    1,191,072.56/1,786,161.71 = 432,726.66/x
  3. Step 3: Cross multiply
    1,191,072.56x = 1,786,161.71 × 432,726.66
  4. Step 4: Simplify right side
    1,191,072.56x = 772,919,792,070.01
  5. Step 5: Solve for x
    x = 772,919,792,070.01/1,191,072.56
  6. Step 6: Final answer
    x = 648,927.55

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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.