Home / 470,192.92-649,309.08-327,343.57

Finding the Fourth Proportional to 470,192.92, 649,309.08 and 327,343.57

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Solution

The fourth proportional to 470,192.92, 649,309.08 and 327,343.57 is: 452,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,192.92 : 649,309.08 = 327,343.57 : x
  2. Step 2: Convert to fraction form
    470,192.92/649,309.08 = 327,343.57/x
  3. Step 3: Cross multiply
    470,192.92x = 649,309.08 × 327,343.57
  4. Step 4: Simplify right side
    470,192.92x = 212,547,152,280.62
  5. Step 5: Solve for x
    x = 212,547,152,280.62/470,192.92
  6. Step 6: Final answer
    x = 452,042.43

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1.5x scale

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.