Home / 843,851.36-1,164,680.86-639,545.92

Finding the Fourth Proportional to 843,851.36, 1,164,680.86 and 639,545.92

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Solution

The fourth proportional to 843,851.36, 1,164,680.86 and 639,545.92 is: 882,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,851.36 : 1,164,680.86 = 639,545.92 : x
  2. Step 2: Convert to fraction form
    843,851.36/1,164,680.86 = 639,545.92/x
  3. Step 3: Cross multiply
    843,851.36x = 1,164,680.86 × 639,545.92
  4. Step 4: Simplify right side
    843,851.36x = 744,866,892,115.09
  5. Step 5: Solve for x
    x = 744,866,892,115.09/843,851.36
  6. Step 6: Final answer
    x = 882,699.17

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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.