Home / 925,211.38-1,276,400.73-619,386.28

Finding the Fourth Proportional to 925,211.38, 1,276,400.73 and 619,386.28

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Solution

The fourth proportional to 925,211.38, 1,276,400.73 and 619,386.28 is: 854,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,211.38 : 1,276,400.73 = 619,386.28 : x
  2. Step 2: Convert to fraction form
    925,211.38/1,276,400.73 = 619,386.28/x
  3. Step 3: Cross multiply
    925,211.38x = 1,276,400.73 × 619,386.28
  4. Step 4: Simplify right side
    925,211.38x = 790,585,099,943.98
  5. Step 5: Solve for x
    x = 790,585,099,943.98/925,211.38
  6. Step 6: Final answer
    x = 854,491.33

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1.5x scale

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.