Home / 1,108,834.04-1,530,182.06-643,731.08

Finding the Fourth Proportional to 1,108,834.04, 1,530,182.06 and 643,731.08

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Solution

The fourth proportional to 1,108,834.04, 1,530,182.06 and 643,731.08 is: 888,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,834.04 : 1,530,182.06 = 643,731.08 : x
  2. Step 2: Convert to fraction form
    1,108,834.04/1,530,182.06 = 643,731.08/x
  3. Step 3: Cross multiply
    1,108,834.04x = 1,530,182.06 × 643,731.08
  4. Step 4: Simplify right side
    1,108,834.04x = 985,025,750,080.43
  5. Step 5: Solve for x
    x = 985,025,750,080.43/1,108,834.04
  6. Step 6: Final answer
    x = 888,343.71

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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.