Home / 1,099,011.66-1,513,111.23-856,983.66

Finding the Fourth Proportional to 1,099,011.66, 1,513,111.23 and 856,983.66

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Solution

The fourth proportional to 1,099,011.66, 1,513,111.23 and 856,983.66 is: 1,179,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,011.66 : 1,513,111.23 = 856,983.66 : x
  2. Step 2: Convert to fraction form
    1,099,011.66/1,513,111.23 = 856,983.66/x
  3. Step 3: Cross multiply
    1,099,011.66x = 1,513,111.23 × 856,983.66
  4. Step 4: Simplify right side
    1,099,011.66x = 1,296,711,599,872.50
  5. Step 5: Solve for x
    x = 1,296,711,599,872.50/1,099,011.66
  6. Step 6: Final answer
    x = 1,179,888.85

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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.