Home / 1,265,317.65-1,897,983.68-517,363.65

Finding the Fourth Proportional to 1,265,317.65, 1,897,983.68 and 517,363.65

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Solution

The fourth proportional to 1,265,317.65, 1,897,983.68 and 517,363.65 is: 776,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,317.65 : 1,897,983.68 = 517,363.65 : x
  2. Step 2: Convert to fraction form
    1,265,317.65/1,897,983.68 = 517,363.65/x
  3. Step 3: Cross multiply
    1,265,317.65x = 1,897,983.68 × 517,363.65
  4. Step 4: Simplify right side
    1,265,317.65x = 981,947,761,738.41
  5. Step 5: Solve for x
    x = 981,947,761,738.41/1,265,317.65
  6. Step 6: Final answer
    x = 776,048.42

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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.