Home / 556,196.41-834,374.54-171,975.21

Finding the Fourth Proportional to 556,196.41, 834,374.54 and 171,975.21

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Solution

The fourth proportional to 556,196.41, 834,374.54 and 171,975.21 is: 257,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,196.41 : 834,374.54 = 171,975.21 : x
  2. Step 2: Convert to fraction form
    556,196.41/834,374.54 = 171,975.21/x
  3. Step 3: Cross multiply
    556,196.41x = 834,374.54 × 171,975.21
  4. Step 4: Simplify right side
    556,196.41x = 143,491,736,735.15
  5. Step 5: Solve for x
    x = 143,491,736,735.15/556,196.41
  6. Step 6: Final answer
    x = 257,987.53

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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.