Home / 1,928,365.95-2,892,578.10-729,966.51

Finding the Fourth Proportional to 1,928,365.95, 2,892,578.10 and 729,966.51

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Solution

The fourth proportional to 1,928,365.95, 2,892,578.10 and 729,966.51 is: 1,094,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,365.95 : 2,892,578.10 = 729,966.51 : x
  2. Step 2: Convert to fraction form
    1,928,365.95/2,892,578.10 = 729,966.51/x
  3. Step 3: Cross multiply
    1,928,365.95x = 2,892,578.10 × 729,966.51
  4. Step 4: Simplify right side
    1,928,365.95x = 2,111,485,140,559.43
  5. Step 5: Solve for x
    x = 2,111,485,140,559.43/1,928,365.95
  6. Step 6: Final answer
    x = 1,094,960.81

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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.