Home / 470,971.94-649,944.34-256,114.34

Finding the Fourth Proportional to 470,971.94, 649,944.34 and 256,114.34

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Solution

The fourth proportional to 470,971.94, 649,944.34 and 256,114.34 is: 353,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,971.94 : 649,944.34 = 256,114.34 : x
  2. Step 2: Convert to fraction form
    470,971.94/649,944.34 = 256,114.34/x
  3. Step 3: Cross multiply
    470,971.94x = 649,944.34 × 256,114.34
  4. Step 4: Simplify right side
    470,971.94x = 166,460,065,675.84
  5. Step 5: Solve for x
    x = 166,460,065,675.84/470,971.94
  6. Step 6: Final answer
    x = 353,439.45

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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.