Home / 728,713.70-1,093,070.55-528,092.90

Finding the Fourth Proportional to 728,713.70, 1,093,070.55 and 528,092.90

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Solution

The fourth proportional to 728,713.70, 1,093,070.55 and 528,092.90 is: 792,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,713.70 : 1,093,070.55 = 528,092.90 : x
  2. Step 2: Convert to fraction form
    728,713.70/1,093,070.55 = 528,092.90/x
  3. Step 3: Cross multiply
    728,713.70x = 1,093,070.55 × 528,092.90
  4. Step 4: Simplify right side
    728,713.70x = 577,242,796,654.10
  5. Step 5: Solve for x
    x = 577,242,796,654.10/728,713.70
  6. Step 6: Final answer
    x = 792,139.35

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1.5x scale

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.