Home / 783,655.60-1,175,483.40-192,679.60

Finding the Fourth Proportional to 783,655.60, 1,175,483.40 and 192,679.60

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Solution

The fourth proportional to 783,655.60, 1,175,483.40 and 192,679.60 is: 289,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,655.60 : 1,175,483.40 = 192,679.60 : x
  2. Step 2: Convert to fraction form
    783,655.60/1,175,483.40 = 192,679.60/x
  3. Step 3: Cross multiply
    783,655.60x = 1,175,483.40 × 192,679.60
  4. Step 4: Simplify right side
    783,655.60x = 226,491,671,318.64
  5. Step 5: Solve for x
    x = 226,491,671,318.64/783,655.60
  6. Step 6: Final answer
    x = 289,019.40

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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.