Home / 753,260.54-1,039,665.08-495,161.33

Finding the Fourth Proportional to 753,260.54, 1,039,665.08 and 495,161.33

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Solution

The fourth proportional to 753,260.54, 1,039,665.08 and 495,161.33 is: 683,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,260.54 : 1,039,665.08 = 495,161.33 : x
  2. Step 2: Convert to fraction form
    753,260.54/1,039,665.08 = 495,161.33/x
  3. Step 3: Cross multiply
    753,260.54x = 1,039,665.08 × 495,161.33
  4. Step 4: Simplify right side
    753,260.54x = 514,801,943,890.71
  5. Step 5: Solve for x
    x = 514,801,943,890.71/753,260.54
  6. Step 6: Final answer
    x = 683,431.45

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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.