Home / 470,705.06-649,885.79-361,615.10

Finding the Fourth Proportional to 470,705.06, 649,885.79 and 361,615.10

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Solution

The fourth proportional to 470,705.06, 649,885.79 and 361,615.10 is: 499,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,705.06 : 649,885.79 = 361,615.10 : x
  2. Step 2: Convert to fraction form
    470,705.06/649,885.79 = 361,615.10/x
  3. Step 3: Cross multiply
    470,705.06x = 649,885.79 × 361,615.10
  4. Step 4: Simplify right side
    470,705.06x = 235,008,514,756.07
  5. Step 5: Solve for x
    x = 235,008,514,756.07/470,705.06
  6. Step 6: Final answer
    x = 499,269.15

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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.