Home / 477,945.38-659,582.03-260,143.53

Finding the Fourth Proportional to 477,945.38, 659,582.03 and 260,143.53

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Solution

The fourth proportional to 477,945.38, 659,582.03 and 260,143.53 is: 359,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,945.38 : 659,582.03 = 260,143.53 : x
  2. Step 2: Convert to fraction form
    477,945.38/659,582.03 = 260,143.53/x
  3. Step 3: Cross multiply
    477,945.38x = 659,582.03 × 260,143.53
  4. Step 4: Simplify right side
    477,945.38x = 171,585,998,259.13
  5. Step 5: Solve for x
    x = 171,585,998,259.13/477,945.38
  6. Step 6: Final answer
    x = 359,007.54

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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.