Home / 880,117.27-1,214,519.83-540,519.91

Finding the Fourth Proportional to 880,117.27, 1,214,519.83 and 540,519.91

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Solution

The fourth proportional to 880,117.27, 1,214,519.83 and 540,519.91 is: 745,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,117.27 : 1,214,519.83 = 540,519.91 : x
  2. Step 2: Convert to fraction form
    880,117.27/1,214,519.83 = 540,519.91/x
  3. Step 3: Cross multiply
    880,117.27x = 1,214,519.83 × 540,519.91
  4. Step 4: Simplify right side
    880,117.27x = 656,472,144,817.22
  5. Step 5: Solve for x
    x = 656,472,144,817.22/880,117.27
  6. Step 6: Final answer
    x = 745,891.68

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1.5x scale

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.