Home / 402,867.60-603,645.30-296,579.40

Finding the Fourth Proportional to 402,867.60, 603,645.30 and 296,579.40

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Solution

The fourth proportional to 402,867.60, 603,645.30 and 296,579.40 is: 444,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,867.60 : 603,645.30 = 296,579.40 : x
  2. Step 2: Convert to fraction form
    402,867.60/603,645.30 = 296,579.40/x
  3. Step 3: Cross multiply
    402,867.60x = 603,645.30 × 296,579.40
  4. Step 4: Simplify right side
    402,867.60x = 179,028,760,886.82
  5. Step 5: Solve for x
    x = 179,028,760,886.82/402,867.60
  6. Step 6: Final answer
    x = 444,386.10

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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.