Home / 653,043.60-979,565.40-279,795.60

Finding the Fourth Proportional to 653,043.60, 979,565.40 and 279,795.60

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Solution

The fourth proportional to 653,043.60, 979,565.40 and 279,795.60 is: 419,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,043.60 : 979,565.40 = 279,795.60 : x
  2. Step 2: Convert to fraction form
    653,043.60/979,565.40 = 279,795.60/x
  3. Step 3: Cross multiply
    653,043.60x = 979,565.40 × 279,795.60
  4. Step 4: Simplify right side
    653,043.60x = 274,078,088,832.24
  5. Step 5: Solve for x
    x = 274,078,088,832.24/653,043.60
  6. Step 6: Final answer
    x = 419,693.40

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Similar ratio
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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.