Home / 433,525.60-649,366.80-284,226.40

Finding the Fourth Proportional to 433,525.60, 649,366.80 and 284,226.40

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Solution

The fourth proportional to 433,525.60, 649,366.80 and 284,226.40 is: 425,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,525.60 : 649,366.80 = 284,226.40 : x
  2. Step 2: Convert to fraction form
    433,525.60/649,366.80 = 284,226.40/x
  3. Step 3: Cross multiply
    433,525.60x = 649,366.80 × 284,226.40
  4. Step 4: Simplify right side
    433,525.60x = 184,567,187,843.52
  5. Step 5: Solve for x
    x = 184,567,187,843.52/433,525.60
  6. Step 6: Final answer
    x = 425,735.38

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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.