Home / 1,270,641.89-1,906,196.72-417,761.70

Finding the Fourth Proportional to 1,270,641.89, 1,906,196.72 and 417,761.70

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Solution

The fourth proportional to 1,270,641.89, 1,906,196.72 and 417,761.70 is: 626,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,641.89 : 1,906,196.72 = 417,761.70 : x
  2. Step 2: Convert to fraction form
    1,270,641.89/1,906,196.72 = 417,761.70/x
  3. Step 3: Cross multiply
    1,270,641.89x = 1,906,196.72 × 417,761.70
  4. Step 4: Simplify right side
    1,270,641.89x = 796,335,982,281.62
  5. Step 5: Solve for x
    x = 796,335,982,281.62/1,270,641.89
  6. Step 6: Final answer
    x = 626,719.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.