Home / 854,199.60-1,281,493.80-499,030.80

Finding the Fourth Proportional to 854,199.60, 1,281,493.80 and 499,030.80

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Solution

The fourth proportional to 854,199.60, 1,281,493.80 and 499,030.80 is: 748,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,199.60 : 1,281,493.80 = 499,030.80 : x
  2. Step 2: Convert to fraction form
    854,199.60/1,281,493.80 = 499,030.80/x
  3. Step 3: Cross multiply
    854,199.60x = 1,281,493.80 × 499,030.80
  4. Step 4: Simplify right side
    854,199.60x = 639,504,876,209.04
  5. Step 5: Solve for x
    x = 639,504,876,209.04/854,199.60
  6. Step 6: Final answer
    x = 748,659.77

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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.