Home / 772,799.22-1,065,230.69-609,188.90

Finding the Fourth Proportional to 772,799.22, 1,065,230.69 and 609,188.90

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Solution

The fourth proportional to 772,799.22, 1,065,230.69 and 609,188.90 is: 839,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,799.22 : 1,065,230.69 = 609,188.90 : x
  2. Step 2: Convert to fraction form
    772,799.22/1,065,230.69 = 609,188.90/x
  3. Step 3: Cross multiply
    772,799.22x = 1,065,230.69 × 609,188.90
  4. Step 4: Simplify right side
    772,799.22x = 648,926,703,915.24
  5. Step 5: Solve for x
    x = 648,926,703,915.24/772,799.22
  6. Step 6: Final answer
    x = 839,709.32

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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.