Home / 756,040.40-1,134,060.60-695,679.20

Finding the Fourth Proportional to 756,040.40, 1,134,060.60 and 695,679.20

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Solution

The fourth proportional to 756,040.40, 1,134,060.60 and 695,679.20 is: 1,043,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,040.40 : 1,134,060.60 = 695,679.20 : x
  2. Step 2: Convert to fraction form
    756,040.40/1,134,060.60 = 695,679.20/x
  3. Step 3: Cross multiply
    756,040.40x = 1,134,060.60 × 695,679.20
  4. Step 4: Simplify right side
    756,040.40x = 788,942,370,959.52
  5. Step 5: Solve for x
    x = 788,942,370,959.52/756,040.40
  6. Step 6: Final answer
    x = 1,043,518.80

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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.