Home / 728,694.20-1,093,041.30-528,073.40

Finding the Fourth Proportional to 728,694.20, 1,093,041.30 and 528,073.40

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Solution

The fourth proportional to 728,694.20, 1,093,041.30 and 528,073.40 is: 792,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,694.20 : 1,093,041.30 = 528,073.40 : x
  2. Step 2: Convert to fraction form
    728,694.20/1,093,041.30 = 528,073.40/x
  3. Step 3: Cross multiply
    728,694.20x = 1,093,041.30 × 528,073.40
  4. Step 4: Simplify right side
    728,694.20x = 577,206,035,631.42
  5. Step 5: Solve for x
    x = 577,206,035,631.42/728,694.20
  6. Step 6: Final answer
    x = 792,110.10

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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.