Home / 1,283,177.77-1,771,227.75-739,530.61

Finding the Fourth Proportional to 1,283,177.77, 1,771,227.75 and 739,530.61

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Solution

The fourth proportional to 1,283,177.77, 1,771,227.75 and 739,530.61 is: 1,020,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,177.77 : 1,771,227.75 = 739,530.61 : x
  2. Step 2: Convert to fraction form
    1,283,177.77/1,771,227.75 = 739,530.61/x
  3. Step 3: Cross multiply
    1,283,177.77x = 1,771,227.75 × 739,530.61
  4. Step 4: Simplify right side
    1,283,177.77x = 1,309,877,138,406.43
  5. Step 5: Solve for x
    x = 1,309,877,138,406.43/1,283,177.77
  6. Step 6: Final answer
    x = 1,020,807.22

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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.