Home / 1,138,326.81-1,570,913.76-622,112.79

Finding the Fourth Proportional to 1,138,326.81, 1,570,913.76 and 622,112.79

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Solution

The fourth proportional to 1,138,326.81, 1,570,913.76 and 622,112.79 is: 858,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,326.81 : 1,570,913.76 = 622,112.79 : x
  2. Step 2: Convert to fraction form
    1,138,326.81/1,570,913.76 = 622,112.79/x
  3. Step 3: Cross multiply
    1,138,326.81x = 1,570,913.76 × 622,112.79
  4. Step 4: Simplify right side
    1,138,326.81x = 977,285,542,082.99
  5. Step 5: Solve for x
    x = 977,285,542,082.99/1,138,326.81
  6. Step 6: Final answer
    x = 858,528.09

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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.