Home / 659,289.57-909,711.77-433,215.33

Finding the Fourth Proportional to 659,289.57, 909,711.77 and 433,215.33

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Solution

The fourth proportional to 659,289.57, 909,711.77 and 433,215.33 is: 597,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,289.57 : 909,711.77 = 433,215.33 : x
  2. Step 2: Convert to fraction form
    659,289.57/909,711.77 = 433,215.33/x
  3. Step 3: Cross multiply
    659,289.57x = 909,711.77 × 433,215.33
  4. Step 4: Simplify right side
    659,289.57x = 394,101,084,645.43
  5. Step 5: Solve for x
    x = 394,101,084,645.43/659,289.57
  6. Step 6: Final answer
    x = 597,766.30

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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.