Home / 1,221,736.12-1,831,867.86-547,695.40

Finding the Fourth Proportional to 1,221,736.12, 1,831,867.86 and 547,695.40

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Solution

The fourth proportional to 1,221,736.12, 1,831,867.86 and 547,695.40 is: 821,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,736.12 : 1,831,867.86 = 547,695.40 : x
  2. Step 2: Convert to fraction form
    1,221,736.12/1,831,867.86 = 547,695.40/x
  3. Step 3: Cross multiply
    1,221,736.12x = 1,831,867.86 × 547,695.40
  4. Step 4: Simplify right side
    1,221,736.12x = 1,003,305,600,329.84
  5. Step 5: Solve for x
    x = 1,003,305,600,329.84/1,221,736.12
  6. Step 6: Final answer
    x = 821,213.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.