Home / 740,924.66-1,111,258.20-208,319.29

Finding the Fourth Proportional to 740,924.66, 1,111,258.20 and 208,319.29

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Solution

The fourth proportional to 740,924.66, 1,111,258.20 and 208,319.29 is: 312,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,924.66 : 1,111,258.20 = 208,319.29 : x
  2. Step 2: Convert to fraction form
    740,924.66/1,111,258.20 = 208,319.29/x
  3. Step 3: Cross multiply
    740,924.66x = 1,111,258.20 × 208,319.29
  4. Step 4: Simplify right side
    740,924.66x = 231,496,519,230.68
  5. Step 5: Solve for x
    x = 231,496,519,230.68/740,924.66
  6. Step 6: Final answer
    x = 312,442.72

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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.