Home / 686,197.76-944,839.60-609,583.52

Finding the Fourth Proportional to 686,197.76, 944,839.60 and 609,583.52

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Solution

The fourth proportional to 686,197.76, 944,839.60 and 609,583.52 is: 839,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,197.76 : 944,839.60 = 609,583.52 : x
  2. Step 2: Convert to fraction form
    686,197.76/944,839.60 = 609,583.52/x
  3. Step 3: Cross multiply
    686,197.76x = 944,839.60 × 609,583.52
  4. Step 4: Simplify right side
    686,197.76x = 575,958,649,203.39
  5. Step 5: Solve for x
    x = 575,958,649,203.39/686,197.76
  6. Step 6: Final answer
    x = 839,347.90

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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.