Home / 1,100,899.16-1,519,240.38-641,925.17

Finding the Fourth Proportional to 1,100,899.16, 1,519,240.38 and 641,925.17

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Solution

The fourth proportional to 1,100,899.16, 1,519,240.38 and 641,925.17 is: 885,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,899.16 : 1,519,240.38 = 641,925.17 : x
  2. Step 2: Convert to fraction form
    1,100,899.16/1,519,240.38 = 641,925.17/x
  3. Step 3: Cross multiply
    1,100,899.16x = 1,519,240.38 × 641,925.17
  4. Step 4: Simplify right side
    1,100,899.16x = 975,238,639,202.37
  5. Step 5: Solve for x
    x = 975,238,639,202.37/1,100,899.16
  6. Step 6: Final answer
    x = 885,856.47

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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.