Home / 470,485.20-649,248.42-266,531.97

Finding the Fourth Proportional to 470,485.20, 649,248.42 and 266,531.97

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Solution

The fourth proportional to 470,485.20, 649,248.42 and 266,531.97 is: 367,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,485.20 : 649,248.42 = 266,531.97 : x
  2. Step 2: Convert to fraction form
    470,485.20/649,248.42 = 266,531.97/x
  3. Step 3: Cross multiply
    470,485.20x = 649,248.42 × 266,531.97
  4. Step 4: Simplify right side
    470,485.20x = 173,045,460,401.99
  5. Step 5: Solve for x
    x = 173,045,460,401.99/470,485.20
  6. Step 6: Final answer
    x = 367,802.13

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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.