Home / 488,723.40-733,085.10-406,054.80

Finding the Fourth Proportional to 488,723.40, 733,085.10 and 406,054.80

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Solution

The fourth proportional to 488,723.40, 733,085.10 and 406,054.80 is: 609,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,723.40 : 733,085.10 = 406,054.80 : x
  2. Step 2: Convert to fraction form
    488,723.40/733,085.10 = 406,054.80/x
  3. Step 3: Cross multiply
    488,723.40x = 733,085.10 × 406,054.80
  4. Step 4: Simplify right side
    488,723.40x = 297,672,723,663.48
  5. Step 5: Solve for x
    x = 297,672,723,663.48/488,723.40
  6. Step 6: Final answer
    x = 609,082.20

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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.