Home / 730,018.56-1,094,653.92-388,655.92

Finding the Fourth Proportional to 730,018.56, 1,094,653.92 and 388,655.92

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Solution

The fourth proportional to 730,018.56, 1,094,653.92 and 388,655.92 is: 582,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,018.56 : 1,094,653.92 = 388,655.92 : x
  2. Step 2: Convert to fraction form
    730,018.56/1,094,653.92 = 388,655.92/x
  3. Step 3: Cross multiply
    730,018.56x = 1,094,653.92 × 388,655.92
  4. Step 4: Simplify right side
    730,018.56x = 425,443,726,359.21
  5. Step 5: Solve for x
    x = 425,443,726,359.21/730,018.56
  6. Step 6: Final answer
    x = 582,784.81

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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.