Home / 693,386.80-1,040,080.20-567,415.60

Finding the Fourth Proportional to 693,386.80, 1,040,080.20 and 567,415.60

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Solution

The fourth proportional to 693,386.80, 1,040,080.20 and 567,415.60 is: 851,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,386.80 : 1,040,080.20 = 567,415.60 : x
  2. Step 2: Convert to fraction form
    693,386.80/1,040,080.20 = 567,415.60/x
  3. Step 3: Cross multiply
    693,386.80x = 1,040,080.20 × 567,415.60
  4. Step 4: Simplify right side
    693,386.80x = 590,157,730,731.12
  5. Step 5: Solve for x
    x = 590,157,730,731.12/693,386.80
  6. Step 6: Final answer
    x = 851,123.40

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Double scale
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Similar ratio
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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.