Home / 424,743.39-637,114.32-291,218.85

Finding the Fourth Proportional to 424,743.39, 637,114.32 and 291,218.85

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Solution

The fourth proportional to 424,743.39, 637,114.32 and 291,218.85 is: 436,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,743.39 : 637,114.32 = 291,218.85 : x
  2. Step 2: Convert to fraction form
    424,743.39/637,114.32 = 291,218.85/x
  3. Step 3: Cross multiply
    424,743.39x = 637,114.32 × 291,218.85
  4. Step 4: Simplify right side
    424,743.39x = 185,539,699,588.93
  5. Step 5: Solve for x
    x = 185,539,699,588.93/424,743.39
  6. Step 6: Final answer
    x = 436,827.75

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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.