Home / 528,734.72-792,829.92-213,106.88

Finding the Fourth Proportional to 528,734.72, 792,829.92 and 213,106.88

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Solution

The fourth proportional to 528,734.72, 792,829.92 and 213,106.88 is: 319,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,734.72 : 792,829.92 = 213,106.88 : x
  2. Step 2: Convert to fraction form
    528,734.72/792,829.92 = 213,106.88/x
  3. Step 3: Cross multiply
    528,734.72x = 792,829.92 × 213,106.88
  4. Step 4: Simplify right side
    528,734.72x = 168,957,510,621.85
  5. Step 5: Solve for x
    x = 168,957,510,621.85/528,734.72
  6. Step 6: Final answer
    x = 319,550.63

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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.