Home / 1,215,543.14-1,677,764.61-699,349.91

Finding the Fourth Proportional to 1,215,543.14, 1,677,764.61 and 699,349.91

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Solution

The fourth proportional to 1,215,543.14, 1,677,764.61 and 699,349.91 is: 965,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,543.14 : 1,677,764.61 = 699,349.91 : x
  2. Step 2: Convert to fraction form
    1,215,543.14/1,677,764.61 = 699,349.91/x
  3. Step 3: Cross multiply
    1,215,543.14x = 1,677,764.61 × 699,349.91
  4. Step 4: Simplify right side
    1,215,543.14x = 1,173,344,520,615.86
  5. Step 5: Solve for x
    x = 1,173,344,520,615.86/1,215,543.14
  6. Step 6: Final answer
    x = 965,284.15

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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.