Home / 470,949.63-649,903.07-256,087.81

Finding the Fourth Proportional to 470,949.63, 649,903.07 and 256,087.81

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Solution

The fourth proportional to 470,949.63, 649,903.07 and 256,087.81 is: 353,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,949.63 : 649,903.07 = 256,087.81 : x
  2. Step 2: Convert to fraction form
    470,949.63/649,903.07 = 256,087.81/x
  3. Step 3: Cross multiply
    470,949.63x = 649,903.07 × 256,087.81
  4. Step 4: Simplify right side
    470,949.63x = 166,432,253,908.58
  5. Step 5: Solve for x
    x = 166,432,253,908.58/470,949.63
  6. Step 6: Final answer
    x = 353,397.15

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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.