Home / 1,027,521.36-1,417,999.88-619,621.20

Finding the Fourth Proportional to 1,027,521.36, 1,417,999.88 and 619,621.20

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Solution

The fourth proportional to 1,027,521.36, 1,417,999.88 and 619,621.20 is: 855,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,521.36 : 1,417,999.88 = 619,621.20 : x
  2. Step 2: Convert to fraction form
    1,027,521.36/1,417,999.88 = 619,621.20/x
  3. Step 3: Cross multiply
    1,027,521.36x = 1,417,999.88 × 619,621.20
  4. Step 4: Simplify right side
    1,027,521.36x = 878,622,787,245.46
  5. Step 5: Solve for x
    x = 878,622,787,245.46/1,027,521.36
  6. Step 6: Final answer
    x = 855,089.56

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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.