Home / 728,684.20-1,093,026.30-528,063.40

Finding the Fourth Proportional to 728,684.20, 1,093,026.30 and 528,063.40

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Solution

The fourth proportional to 728,684.20, 1,093,026.30 and 528,063.40 is: 792,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,684.20 : 1,093,026.30 = 528,063.40 : x
  2. Step 2: Convert to fraction form
    728,684.20/1,093,026.30 = 528,063.40/x
  3. Step 3: Cross multiply
    728,684.20x = 1,093,026.30 × 528,063.40
  4. Step 4: Simplify right side
    728,684.20x = 577,187,184,267.42
  5. Step 5: Solve for x
    x = 577,187,184,267.42/728,684.20
  6. Step 6: Final answer
    x = 792,095.10

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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.