Home / 1,103,356.67-1,522,633.54-619,921.54

Finding the Fourth Proportional to 1,103,356.67, 1,522,633.54 and 619,921.54

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Solution

The fourth proportional to 1,103,356.67, 1,522,633.54 and 619,921.54 is: 855,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,356.67 : 1,522,633.54 = 619,921.54 : x
  2. Step 2: Convert to fraction form
    1,103,356.67/1,522,633.54 = 619,921.54/x
  3. Step 3: Cross multiply
    1,103,356.67x = 1,522,633.54 × 619,921.54
  4. Step 4: Simplify right side
    1,103,356.67x = 943,913,323,616.06
  5. Step 5: Solve for x
    x = 943,913,323,616.06/1,103,356.67
  6. Step 6: Final answer
    x = 855,492.47

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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.