Home / 984,242.78-1,358,255.11-531,533.78

Finding the Fourth Proportional to 984,242.78, 1,358,255.11 and 531,533.78

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Solution

The fourth proportional to 984,242.78, 1,358,255.11 and 531,533.78 is: 733,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,242.78 : 1,358,255.11 = 531,533.78 : x
  2. Step 2: Convert to fraction form
    984,242.78/1,358,255.11 = 531,533.78/x
  3. Step 3: Cross multiply
    984,242.78x = 1,358,255.11 × 531,533.78
  4. Step 4: Simplify right side
    984,242.78x = 721,958,475,027.79
  5. Step 5: Solve for x
    x = 721,958,475,027.79/984,242.78
  6. Step 6: Final answer
    x = 733,516.66

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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.