Home / 544,904.20-817,842.30-319,983.40

Finding the Fourth Proportional to 544,904.20, 817,842.30 and 319,983.40

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Solution

The fourth proportional to 544,904.20, 817,842.30 and 319,983.40 is: 480,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,904.20 : 817,842.30 = 319,983.40 : x
  2. Step 2: Convert to fraction form
    544,904.20/817,842.30 = 319,983.40/x
  3. Step 3: Cross multiply
    544,904.20x = 817,842.30 × 319,983.40
  4. Step 4: Simplify right side
    544,904.20x = 261,695,959,817.82
  5. Step 5: Solve for x
    x = 261,695,959,817.82/544,904.20
  6. Step 6: Final answer
    x = 480,260.49

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1.5x scale

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.