Home / 755,611.70-1,133,417.55-194,646.20

Finding the Fourth Proportional to 755,611.70, 1,133,417.55 and 194,646.20

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Solution

The fourth proportional to 755,611.70, 1,133,417.55 and 194,646.20 is: 291,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,611.70 : 1,133,417.55 = 194,646.20 : x
  2. Step 2: Convert to fraction form
    755,611.70/1,133,417.55 = 194,646.20/x
  3. Step 3: Cross multiply
    755,611.70x = 1,133,417.55 × 194,646.20
  4. Step 4: Simplify right side
    755,611.70x = 220,615,419,120.81
  5. Step 5: Solve for x
    x = 220,615,419,120.81/755,611.70
  6. Step 6: Final answer
    x = 291,969.30

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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.