Home / 470,975.44-649,949.16-256,117.84

Finding the Fourth Proportional to 470,975.44, 649,949.16 and 256,117.84

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Solution

The fourth proportional to 470,975.44, 649,949.16 and 256,117.84 is: 353,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,975.44 : 649,949.16 = 256,117.84 : x
  2. Step 2: Convert to fraction form
    470,975.44/649,949.16 = 256,117.84/x
  3. Step 3: Cross multiply
    470,975.44x = 649,949.16 × 256,117.84
  4. Step 4: Simplify right side
    470,975.44x = 166,463,574,969.01
  5. Step 5: Solve for x
    x = 166,463,574,969.01/470,975.44
  6. Step 6: Final answer
    x = 353,444.28

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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.