Home / 740,057.43-1,110,529.02-319,333.32

Finding the Fourth Proportional to 740,057.43, 1,110,529.02 and 319,333.32

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Solution

The fourth proportional to 740,057.43, 1,110,529.02 and 319,333.32 is: 479,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,057.43 : 1,110,529.02 = 319,333.32 : x
  2. Step 2: Convert to fraction form
    740,057.43/1,110,529.02 = 319,333.32/x
  3. Step 3: Cross multiply
    740,057.43x = 1,110,529.02 × 319,333.32
  4. Step 4: Simplify right side
    740,057.43x = 354,628,918,912.95
  5. Step 5: Solve for x
    x = 354,628,918,912.95/740,057.43
  6. Step 6: Final answer
    x = 479,191.08

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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.