Home / 700,044.40-965,890.20-394,058.80

Finding the Fourth Proportional to 700,044.40, 965,890.20 and 394,058.80

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Solution

The fourth proportional to 700,044.40, 965,890.20 and 394,058.80 is: 543,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,044.40 : 965,890.20 = 394,058.80 : x
  2. Step 2: Convert to fraction form
    700,044.40/965,890.20 = 394,058.80/x
  3. Step 3: Cross multiply
    700,044.40x = 965,890.20 × 394,058.80
  4. Step 4: Simplify right side
    700,044.40x = 380,617,533,143.76
  5. Step 5: Solve for x
    x = 380,617,533,143.76/700,044.40
  6. Step 6: Final answer
    x = 543,704.85

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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.