Home / 1,663,761.95-2,295,991.48-899,815.51

Finding the Fourth Proportional to 1,663,761.95, 2,295,991.48 and 899,815.51

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Solution

The fourth proportional to 1,663,761.95, 2,295,991.48 and 899,815.51 is: 1,241,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,761.95 : 2,295,991.48 = 899,815.51 : x
  2. Step 2: Convert to fraction form
    1,663,761.95/2,295,991.48 = 899,815.51/x
  3. Step 3: Cross multiply
    1,663,761.95x = 2,295,991.48 × 899,815.51
  4. Step 4: Simplify right side
    1,663,761.95x = 2,065,968,736,542.34
  5. Step 5: Solve for x
    x = 2,065,968,736,542.34/1,663,761.95
  6. Step 6: Final answer
    x = 1,241,745.40

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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.