Home / 772,611.35-1,066,200.30-433,079.60

Finding the Fourth Proportional to 772,611.35, 1,066,200.30 and 433,079.60

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Solution

The fourth proportional to 772,611.35, 1,066,200.30 and 433,079.60 is: 597,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,611.35 : 1,066,200.30 = 433,079.60 : x
  2. Step 2: Convert to fraction form
    772,611.35/1,066,200.30 = 433,079.60/x
  3. Step 3: Cross multiply
    772,611.35x = 1,066,200.30 × 433,079.60
  4. Step 4: Simplify right side
    772,611.35x = 461,749,594,112.88
  5. Step 5: Solve for x
    x = 461,749,594,112.88/772,611.35
  6. Step 6: Final answer
    x = 597,647.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.