Home / 728,716.20-1,093,074.30-528,095.40

Finding the Fourth Proportional to 728,716.20, 1,093,074.30 and 528,095.40

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Solution

The fourth proportional to 728,716.20, 1,093,074.30 and 528,095.40 is: 792,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,716.20 : 1,093,074.30 = 528,095.40 : x
  2. Step 2: Convert to fraction form
    728,716.20/1,093,074.30 = 528,095.40/x
  3. Step 3: Cross multiply
    728,716.20x = 1,093,074.30 × 528,095.40
  4. Step 4: Simplify right side
    728,716.20x = 577,247,509,688.22
  5. Step 5: Solve for x
    x = 577,247,509,688.22/728,716.20
  6. Step 6: Final answer
    x = 792,143.10

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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.