Home / 1,117,727.82-1,542,501.60-627,783.54

Finding the Fourth Proportional to 1,117,727.82, 1,542,501.60 and 627,783.54

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Solution

The fourth proportional to 1,117,727.82, 1,542,501.60 and 627,783.54 is: 866,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,727.82 : 1,542,501.60 = 627,783.54 : x
  2. Step 2: Convert to fraction form
    1,117,727.82/1,542,501.60 = 627,783.54/x
  3. Step 3: Cross multiply
    1,117,727.82x = 1,542,501.60 × 627,783.54
  4. Step 4: Simplify right side
    1,117,727.82x = 968,357,111,619.11
  5. Step 5: Solve for x
    x = 968,357,111,619.11/1,117,727.82
  6. Step 6: Final answer
    x = 866,362.18

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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.