Home / 1,349,709.56-1,862,621.33-805,892.87

Finding the Fourth Proportional to 1,349,709.56, 1,862,621.33 and 805,892.87

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Solution

The fourth proportional to 1,349,709.56, 1,862,621.33 and 805,892.87 is: 1,112,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,709.56 : 1,862,621.33 = 805,892.87 : x
  2. Step 2: Convert to fraction form
    1,349,709.56/1,862,621.33 = 805,892.87/x
  3. Step 3: Cross multiply
    1,349,709.56x = 1,862,621.33 × 805,892.87
  4. Step 4: Simplify right side
    1,349,709.56x = 1,501,073,249,356.92
  5. Step 5: Solve for x
    x = 1,501,073,249,356.92/1,349,709.56
  6. Step 6: Final answer
    x = 1,112,145.38

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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.