Home / 470,916.18-649,872.45-256,057.65

Finding the Fourth Proportional to 470,916.18, 649,872.45 and 256,057.65

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Solution

The fourth proportional to 470,916.18, 649,872.45 and 256,057.65 is: 353,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,916.18 : 649,872.45 = 256,057.65 : x
  2. Step 2: Convert to fraction form
    470,916.18/649,872.45 = 256,057.65/x
  3. Step 3: Cross multiply
    470,916.18x = 649,872.45 × 256,057.65
  4. Step 4: Simplify right side
    470,916.18x = 166,404,812,346.74
  5. Step 5: Solve for x
    x = 166,404,812,346.74/470,916.18
  6. Step 6: Final answer
    x = 353,363.97

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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.