Home / 1,314,691.50-1,814,274.45-711,079.50

Finding the Fourth Proportional to 1,314,691.50, 1,814,274.45 and 711,079.50

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Solution

The fourth proportional to 1,314,691.50, 1,814,274.45 and 711,079.50 is: 981,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,691.50 : 1,814,274.45 = 711,079.50 : x
  2. Step 2: Convert to fraction form
    1,314,691.50/1,814,274.45 = 711,079.50/x
  3. Step 3: Cross multiply
    1,314,691.50x = 1,814,274.45 × 711,079.50
  4. Step 4: Simplify right side
    1,314,691.50x = 1,290,093,368,768.77
  5. Step 5: Solve for x
    x = 1,290,093,368,768.77/1,314,691.50
  6. Step 6: Final answer
    x = 981,289.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.