Home / 1,340,622.15-1,850,096.86-817,362.96

Finding the Fourth Proportional to 1,340,622.15, 1,850,096.86 and 817,362.96

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Solution

The fourth proportional to 1,340,622.15, 1,850,096.86 and 817,362.96 is: 1,127,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,622.15 : 1,850,096.86 = 817,362.96 : x
  2. Step 2: Convert to fraction form
    1,340,622.15/1,850,096.86 = 817,362.96/x
  3. Step 3: Cross multiply
    1,340,622.15x = 1,850,096.86 × 817,362.96
  4. Step 4: Simplify right side
    1,340,622.15x = 1,512,200,643,732.90
  5. Step 5: Solve for x
    x = 1,512,200,643,732.90/1,340,622.15
  6. Step 6: Final answer
    x = 1,127,984.23

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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.