Home / 659,421.53-988,993.88-185,996.18

Finding the Fourth Proportional to 659,421.53, 988,993.88 and 185,996.18

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Solution

The fourth proportional to 659,421.53, 988,993.88 and 185,996.18 is: 278,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,421.53 : 988,993.88 = 185,996.18 : x
  2. Step 2: Convert to fraction form
    659,421.53/988,993.88 = 185,996.18/x
  3. Step 3: Cross multiply
    659,421.53x = 988,993.88 × 185,996.18
  4. Step 4: Simplify right side
    659,421.53x = 183,949,077,848.43
  5. Step 5: Solve for x
    x = 183,949,077,848.43/659,421.53
  6. Step 6: Final answer
    x = 278,955.22

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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.