Home / 470,749.33-649,635.56-255,890.08

Finding the Fourth Proportional to 470,749.33, 649,635.56 and 255,890.08

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Solution

The fourth proportional to 470,749.33, 649,635.56 and 255,890.08 is: 353,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,749.33 : 649,635.56 = 255,890.08 : x
  2. Step 2: Convert to fraction form
    470,749.33/649,635.56 = 255,890.08/x
  3. Step 3: Cross multiply
    470,749.33x = 649,635.56 × 255,890.08
  4. Step 4: Simplify right side
    470,749.33x = 166,235,295,419.25
  5. Step 5: Solve for x
    x = 166,235,295,419.25/470,749.33
  6. Step 6: Final answer
    x = 353,129.12

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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.