Home / 637,747.90-956,724.99-188,513.80

Finding the Fourth Proportional to 637,747.90, 956,724.99 and 188,513.80

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Solution

The fourth proportional to 637,747.90, 956,724.99 and 188,513.80 is: 282,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,747.90 : 956,724.99 = 188,513.80 : x
  2. Step 2: Convert to fraction form
    637,747.90/956,724.99 = 188,513.80/x
  3. Step 3: Cross multiply
    637,747.90x = 956,724.99 × 188,513.80
  4. Step 4: Simplify right side
    637,747.90x = 180,355,863,419.86
  5. Step 5: Solve for x
    x = 180,355,863,419.86/637,747.90
  6. Step 6: Final answer
    x = 282,801.19

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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.