Home / 649,945.10-974,914.91-176,629.10

Finding the Fourth Proportional to 649,945.10, 974,914.91 and 176,629.10

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Solution

The fourth proportional to 649,945.10, 974,914.91 and 176,629.10 is: 264,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,945.10 : 974,914.91 = 176,629.10 : x
  2. Step 2: Convert to fraction form
    649,945.10/974,914.91 = 176,629.10/x
  3. Step 3: Cross multiply
    649,945.10x = 974,914.91 × 176,629.10
  4. Step 4: Simplify right side
    649,945.10x = 172,198,337,372.16
  5. Step 5: Solve for x
    x = 172,198,337,372.16/649,945.10
  6. Step 6: Final answer
    x = 264,942.90

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1.5x scale

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.