Home / 470,462.22-705,767.15-281,136.36

Finding the Fourth Proportional to 470,462.22, 705,767.15 and 281,136.36

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Solution

The fourth proportional to 470,462.22, 705,767.15 and 281,136.36 is: 421,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,462.22 : 705,767.15 = 281,136.36 : x
  2. Step 2: Convert to fraction form
    470,462.22/705,767.15 = 281,136.36/x
  3. Step 3: Cross multiply
    470,462.22x = 705,767.15 × 281,136.36
  4. Step 4: Simplify right side
    470,462.22x = 198,416,806,152.89
  5. Step 5: Solve for x
    x = 198,416,806,152.89/470,462.22
  6. Step 6: Final answer
    x = 421,748.65

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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.