Home / 1,026,484-1,539,626.94-316,321.36

Finding the Fourth Proportional to 1,026,484, 1,539,626.94 and 316,321.36

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Solution

The fourth proportional to 1,026,484, 1,539,626.94 and 316,321.36 is: 474,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,484 : 1,539,626.94 = 316,321.36 : x
  2. Step 2: Convert to fraction form
    1,026,484/1,539,626.94 = 316,321.36/x
  3. Step 3: Cross multiply
    1,026,484x = 1,539,626.94 × 316,321.36
  4. Step 4: Simplify right side
    1,026,484x = 487,016,887,553.44
  5. Step 5: Solve for x
    x = 487,016,887,553.44/1,026,484
  6. Step 6: Final answer
    x = 474,451.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.