Home / 1,283,905.89-1,771,790.02-710,946.11

Finding the Fourth Proportional to 1,283,905.89, 1,771,790.02 and 710,946.11

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Solution

The fourth proportional to 1,283,905.89, 1,771,790.02 and 710,946.11 is: 981,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,905.89 : 1,771,790.02 = 710,946.11 : x
  2. Step 2: Convert to fraction form
    1,283,905.89/1,771,790.02 = 710,946.11/x
  3. Step 3: Cross multiply
    1,283,905.89x = 1,771,790.02 × 710,946.11
  4. Step 4: Simplify right side
    1,283,905.89x = 1,259,647,225,107.93
  5. Step 5: Solve for x
    x = 1,259,647,225,107.93/1,283,905.89
  6. Step 6: Final answer
    x = 981,105.57

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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.