Home / 1,028,145.87-1,418,859-563,040.69

Finding the Fourth Proportional to 1,028,145.87, 1,418,859 and 563,040.69

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Solution

The fourth proportional to 1,028,145.87, 1,418,859 and 563,040.69 is: 777,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,145.87 : 1,418,859 = 563,040.69 : x
  2. Step 2: Convert to fraction form
    1,028,145.87/1,418,859 = 563,040.69/x
  3. Step 3: Cross multiply
    1,028,145.87x = 1,418,859 × 563,040.69
  4. Step 4: Simplify right side
    1,028,145.87x = 798,875,350,372.71
  5. Step 5: Solve for x
    x = 798,875,350,372.71/1,028,145.87
  6. Step 6: Final answer
    x = 777,005.84

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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.