Home / 740,054.45-1,110,524.52-319,330.32

Finding the Fourth Proportional to 740,054.45, 1,110,524.52 and 319,330.32

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Solution

The fourth proportional to 740,054.45, 1,110,524.52 and 319,330.32 is: 479,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,054.45 : 1,110,524.52 = 319,330.32 : x
  2. Step 2: Convert to fraction form
    740,054.45/1,110,524.52 = 319,330.32/x
  3. Step 3: Cross multiply
    740,054.45x = 1,110,524.52 × 319,330.32
  4. Step 4: Simplify right side
    740,054.45x = 354,624,150,339.45
  5. Step 5: Solve for x
    x = 354,624,150,339.45/740,054.45
  6. Step 6: Final answer
    x = 479,186.57

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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.