Home / 621,931.41-932,893.95-242,890.62

Finding the Fourth Proportional to 621,931.41, 932,893.95 and 242,890.62

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Solution

The fourth proportional to 621,931.41, 932,893.95 and 242,890.62 is: 364,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,931.41 : 932,893.95 = 242,890.62 : x
  2. Step 2: Convert to fraction form
    621,931.41/932,893.95 = 242,890.62/x
  3. Step 3: Cross multiply
    621,931.41x = 932,893.95 × 242,890.62
  4. Step 4: Simplify right side
    621,931.41x = 226,591,189,909.75
  5. Step 5: Solve for x
    x = 226,591,189,909.75/621,931.41
  6. Step 6: Final answer
    x = 364,334.69

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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.