Home / 772,817.22-1,065,255.48-609,206.94

Finding the Fourth Proportional to 772,817.22, 1,065,255.48 and 609,206.94

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Solution

The fourth proportional to 772,817.22, 1,065,255.48 and 609,206.94 is: 839,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,817.22 : 1,065,255.48 = 609,206.94 : x
  2. Step 2: Convert to fraction form
    772,817.22/1,065,255.48 = 609,206.94/x
  3. Step 3: Cross multiply
    772,817.22x = 1,065,255.48 × 609,206.94
  4. Step 4: Simplify right side
    772,817.22x = 648,961,031,289.03
  5. Step 5: Solve for x
    x = 648,961,031,289.03/772,817.22
  6. Step 6: Final answer
    x = 839,734.18

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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.