Home / 728,710.70-1,093,066.05-528,089.90

Finding the Fourth Proportional to 728,710.70, 1,093,066.05 and 528,089.90

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Solution

The fourth proportional to 728,710.70, 1,093,066.05 and 528,089.90 is: 792,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,710.70 : 1,093,066.05 = 528,089.90 : x
  2. Step 2: Convert to fraction form
    728,710.70/1,093,066.05 = 528,089.90/x
  3. Step 3: Cross multiply
    728,710.70x = 1,093,066.05 × 528,089.90
  4. Step 4: Simplify right side
    728,710.70x = 577,237,141,037.90
  5. Step 5: Solve for x
    x = 577,237,141,037.90/728,710.70
  6. Step 6: Final answer
    x = 792,134.85

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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.