Home / 1,100,878.32-1,519,211.57-641,904.24

Finding the Fourth Proportional to 1,100,878.32, 1,519,211.57 and 641,904.24

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Solution

The fourth proportional to 1,100,878.32, 1,519,211.57 and 641,904.24 is: 885,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,878.32 : 1,519,211.57 = 641,904.24 : x
  2. Step 2: Convert to fraction form
    1,100,878.32/1,519,211.57 = 641,904.24/x
  3. Step 3: Cross multiply
    1,100,878.32x = 1,519,211.57 × 641,904.24
  4. Step 4: Simplify right side
    1,100,878.32x = 975,188,348,240.06
  5. Step 5: Solve for x
    x = 975,188,348,240.06/1,100,878.32
  6. Step 6: Final answer
    x = 885,827.55

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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.