Home / 729,094.16-1,005,745.58-427,229.84

Finding the Fourth Proportional to 729,094.16, 1,005,745.58 and 427,229.84

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Solution

The fourth proportional to 729,094.16, 1,005,745.58 and 427,229.84 is: 589,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,094.16 : 1,005,745.58 = 427,229.84 : x
  2. Step 2: Convert to fraction form
    729,094.16/1,005,745.58 = 427,229.84/x
  3. Step 3: Cross multiply
    729,094.16x = 1,005,745.58 × 427,229.84
  4. Step 4: Simplify right side
    729,094.16x = 429,684,523,224.11
  5. Step 5: Solve for x
    x = 429,684,523,224.11/729,094.16
  6. Step 6: Final answer
    x = 589,340.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.