Home / 692,136.12-955,121.04-386,196.60

Finding the Fourth Proportional to 692,136.12, 955,121.04 and 386,196.60

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Solution

The fourth proportional to 692,136.12, 955,121.04 and 386,196.60 is: 532,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,136.12 : 955,121.04 = 386,196.60 : x
  2. Step 2: Convert to fraction form
    692,136.12/955,121.04 = 386,196.60/x
  3. Step 3: Cross multiply
    692,136.12x = 955,121.04 × 386,196.60
  4. Step 4: Simplify right side
    692,136.12x = 368,864,498,236.46
  5. Step 5: Solve for x
    x = 368,864,498,236.46/692,136.12
  6. Step 6: Final answer
    x = 532,936.35

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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.