Home / 756,065.40-1,134,098.10-695,704.20

Finding the Fourth Proportional to 756,065.40, 1,134,098.10 and 695,704.20

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Solution

The fourth proportional to 756,065.40, 1,134,098.10 and 695,704.20 is: 1,043,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,065.40 : 1,134,098.10 = 695,704.20 : x
  2. Step 2: Convert to fraction form
    756,065.40/1,134,098.10 = 695,704.20/x
  3. Step 3: Cross multiply
    756,065.40x = 1,134,098.10 × 695,704.20
  4. Step 4: Simplify right side
    756,065.40x = 788,996,811,382.02
  5. Step 5: Solve for x
    x = 788,996,811,382.02/756,065.40
  6. Step 6: Final answer
    x = 1,043,556.30

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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.