Home / 837,559.23-1,257,064.20-438,479.13

Finding the Fourth Proportional to 837,559.23, 1,257,064.20 and 438,479.13

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Solution

The fourth proportional to 837,559.23, 1,257,064.20 and 438,479.13 is: 658,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,559.23 : 1,257,064.20 = 438,479.13 : x
  2. Step 2: Convert to fraction form
    837,559.23/1,257,064.20 = 438,479.13/x
  3. Step 3: Cross multiply
    837,559.23x = 1,257,064.20 × 438,479.13
  4. Step 4: Simplify right side
    837,559.23x = 551,196,416,770.15
  5. Step 5: Solve for x
    x = 551,196,416,770.15/837,559.23
  6. Step 6: Final answer
    x = 658,098.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.