Home / 446,920.18-616,762-242,984.80

Finding the Fourth Proportional to 446,920.18, 616,762 and 242,984.80

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Solution

The fourth proportional to 446,920.18, 616,762 and 242,984.80 is: 335,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,920.18 : 616,762 = 242,984.80 : x
  2. Step 2: Convert to fraction form
    446,920.18/616,762 = 242,984.80/x
  3. Step 3: Cross multiply
    446,920.18x = 616,762 × 242,984.80
  4. Step 4: Simplify right side
    446,920.18x = 149,863,791,217.60
  5. Step 5: Solve for x
    x = 149,863,791,217.60/446,920.18
  6. Step 6: Final answer
    x = 335,325.63

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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.