Home / 433,519.60-649,357.80-284,220.40

Finding the Fourth Proportional to 433,519.60, 649,357.80 and 284,220.40

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Solution

The fourth proportional to 433,519.60, 649,357.80 and 284,220.40 is: 425,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,519.60 : 649,357.80 = 284,220.40 : x
  2. Step 2: Convert to fraction form
    433,519.60/649,357.80 = 284,220.40/x
  3. Step 3: Cross multiply
    433,519.60x = 649,357.80 × 284,220.40
  4. Step 4: Simplify right side
    433,519.60x = 184,560,733,659.12
  5. Step 5: Solve for x
    x = 184,560,733,659.12/433,519.60
  6. Step 6: Final answer
    x = 425,726.39

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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.