Home / 1,283,900.66-1,771,782.81-710,940.83

Finding the Fourth Proportional to 1,283,900.66, 1,771,782.81 and 710,940.83

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Solution

The fourth proportional to 1,283,900.66, 1,771,782.81 and 710,940.83 is: 981,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,900.66 : 1,771,782.81 = 710,940.83 : x
  2. Step 2: Convert to fraction form
    1,283,900.66/1,771,782.81 = 710,940.83/x
  3. Step 3: Cross multiply
    1,283,900.66x = 1,771,782.81 × 710,940.83
  4. Step 4: Simplify right side
    1,283,900.66x = 1,259,632,732,662.22
  5. Step 5: Solve for x
    x = 1,259,632,732,662.22/1,283,900.66
  6. Step 6: Final answer
    x = 981,098.29

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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.