Home / 784,190.40-1,173,175.20-680,164.80

Finding the Fourth Proportional to 784,190.40, 1,173,175.20 and 680,164.80

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Solution

The fourth proportional to 784,190.40, 1,173,175.20 and 680,164.80 is: 1,017,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,190.40 : 1,173,175.20 = 680,164.80 : x
  2. Step 2: Convert to fraction form
    784,190.40/1,173,175.20 = 680,164.80/x
  3. Step 3: Cross multiply
    784,190.40x = 1,173,175.20 × 680,164.80
  4. Step 4: Simplify right side
    784,190.40x = 797,952,475,272.96
  5. Step 5: Solve for x
    x = 797,952,475,272.96/784,190.40
  6. Step 6: Final answer
    x = 1,017,549.41

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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.