Home / 623,128.41-934,692.62-149,813.77

Finding the Fourth Proportional to 623,128.41, 934,692.62 and 149,813.77

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Solution

The fourth proportional to 623,128.41, 934,692.62 and 149,813.77 is: 224,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,128.41 : 934,692.62 = 149,813.77 : x
  2. Step 2: Convert to fraction form
    623,128.41/934,692.62 = 149,813.77/x
  3. Step 3: Cross multiply
    623,128.41x = 934,692.62 × 149,813.77
  4. Step 4: Simplify right side
    623,128.41x = 140,029,826,305.77
  5. Step 5: Solve for x
    x = 140,029,826,305.77/623,128.41
  6. Step 6: Final answer
    x = 224,720.66

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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.