Home / 772,940.19-1,158,227.86-413,162.22

Finding the Fourth Proportional to 772,940.19, 1,158,227.86 and 413,162.22

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Solution

The fourth proportional to 772,940.19, 1,158,227.86 and 413,162.22 is: 619,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,940.19 : 1,158,227.86 = 413,162.22 : x
  2. Step 2: Convert to fraction form
    772,940.19/1,158,227.86 = 413,162.22/x
  3. Step 3: Cross multiply
    772,940.19x = 1,158,227.86 × 413,162.22
  4. Step 4: Simplify right side
    772,940.19x = 478,535,987,079.40
  5. Step 5: Solve for x
    x = 478,535,987,079.40/772,940.19
  6. Step 6: Final answer
    x = 619,111.28

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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.