Home / 791,651.80-1,185,242.10-616,205.80

Finding the Fourth Proportional to 791,651.80, 1,185,242.10 and 616,205.80

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Solution

The fourth proportional to 791,651.80, 1,185,242.10 and 616,205.80 is: 922,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,651.80 : 1,185,242.10 = 616,205.80 : x
  2. Step 2: Convert to fraction form
    791,651.80/1,185,242.10 = 616,205.80/x
  3. Step 3: Cross multiply
    791,651.80x = 1,185,242.10 × 616,205.80
  4. Step 4: Simplify right side
    791,651.80x = 730,353,056,424.18
  5. Step 5: Solve for x
    x = 730,353,056,424.18/791,651.80
  6. Step 6: Final answer
    x = 922,568.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.