Home / 1,028,531.76-1,543,792.77-496,427.28

Finding the Fourth Proportional to 1,028,531.76, 1,543,792.77 and 496,427.28

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Solution

The fourth proportional to 1,028,531.76, 1,543,792.77 and 496,427.28 is: 745,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,531.76 : 1,543,792.77 = 496,427.28 : x
  2. Step 2: Convert to fraction form
    1,028,531.76/1,543,792.77 = 496,427.28/x
  3. Step 3: Cross multiply
    1,028,531.76x = 1,543,792.77 × 496,427.28
  4. Step 4: Simplify right side
    1,028,531.76x = 766,380,845,694.77
  5. Step 5: Solve for x
    x = 766,380,845,694.77/1,028,531.76
  6. Step 6: Final answer
    x = 745,121.23

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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.