Home / 1,450,961.15-2,176,439.15-386,003.21

Finding the Fourth Proportional to 1,450,961.15, 2,176,439.15 and 386,003.21

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Solution

The fourth proportional to 1,450,961.15, 2,176,439.15 and 386,003.21 is: 579,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,961.15 : 2,176,439.15 = 386,003.21 : x
  2. Step 2: Convert to fraction form
    1,450,961.15/2,176,439.15 = 386,003.21/x
  3. Step 3: Cross multiply
    1,450,961.15x = 2,176,439.15 × 386,003.21
  4. Step 4: Simplify right side
    1,450,961.15x = 840,112,485,457.46
  5. Step 5: Solve for x
    x = 840,112,485,457.46/1,450,961.15
  6. Step 6: Final answer
    x = 579,004.12

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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.