Home / 1,100,877.32-1,519,210.19-641,903.24

Finding the Fourth Proportional to 1,100,877.32, 1,519,210.19 and 641,903.24

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Solution

The fourth proportional to 1,100,877.32, 1,519,210.19 and 641,903.24 is: 885,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,877.32 : 1,519,210.19 = 641,903.24 : x
  2. Step 2: Convert to fraction form
    1,100,877.32/1,519,210.19 = 641,903.24/x
  3. Step 3: Cross multiply
    1,100,877.32x = 1,519,210.19 × 641,903.24
  4. Step 4: Simplify right side
    1,100,877.32x = 975,185,948,604.80
  5. Step 5: Solve for x
    x = 975,185,948,604.80/1,100,877.32
  6. Step 6: Final answer
    x = 885,826.18

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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.