Home / 799,293.93-1,103,514.42-520,157.10

Finding the Fourth Proportional to 799,293.93, 1,103,514.42 and 520,157.10

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Solution

The fourth proportional to 799,293.93, 1,103,514.42 and 520,157.10 is: 718,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,293.93 : 1,103,514.42 = 520,157.10 : x
  2. Step 2: Convert to fraction form
    799,293.93/1,103,514.42 = 520,157.10/x
  3. Step 3: Cross multiply
    799,293.93x = 1,103,514.42 × 520,157.10
  4. Step 4: Simplify right side
    799,293.93x = 574,000,860,515.38
  5. Step 5: Solve for x
    x = 574,000,860,515.38/799,293.93
  6. Step 6: Final answer
    x = 718,134.89

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.