Home / 1,114,665.40-1,538,247.28-605,371.42

Finding the Fourth Proportional to 1,114,665.40, 1,538,247.28 and 605,371.42

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Solution

The fourth proportional to 1,114,665.40, 1,538,247.28 and 605,371.42 is: 835,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,665.40 : 1,538,247.28 = 605,371.42 : x
  2. Step 2: Convert to fraction form
    1,114,665.40/1,538,247.28 = 605,371.42/x
  3. Step 3: Cross multiply
    1,114,665.40x = 1,538,247.28 × 605,371.42
  4. Step 4: Simplify right side
    1,114,665.40x = 931,210,940,204.74
  5. Step 5: Solve for x
    x = 931,210,940,204.74/1,114,665.40
  6. Step 6: Final answer
    x = 835,417.46

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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.