Home / 696,151.80-1,043,231.40-395,998.20

Finding the Fourth Proportional to 696,151.80, 1,043,231.40 and 395,998.20

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Solution

The fourth proportional to 696,151.80, 1,043,231.40 and 395,998.20 is: 593,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,151.80 : 1,043,231.40 = 395,998.20 : x
  2. Step 2: Convert to fraction form
    696,151.80/1,043,231.40 = 395,998.20/x
  3. Step 3: Cross multiply
    696,151.80x = 1,043,231.40 × 395,998.20
  4. Step 4: Simplify right side
    696,151.80x = 413,117,756,583.48
  5. Step 5: Solve for x
    x = 413,117,756,583.48/696,151.80
  6. Step 6: Final answer
    x = 593,430.57

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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.