Home / 824,228.45-1,137,990.66-514,602.91

Finding the Fourth Proportional to 824,228.45, 1,137,990.66 and 514,602.91

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Solution

The fourth proportional to 824,228.45, 1,137,990.66 and 514,602.91 is: 710,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,228.45 : 1,137,990.66 = 514,602.91 : x
  2. Step 2: Convert to fraction form
    824,228.45/1,137,990.66 = 514,602.91/x
  3. Step 3: Cross multiply
    824,228.45x = 1,137,990.66 × 514,602.91
  4. Step 4: Simplify right side
    824,228.45x = 585,613,305,188.82
  5. Step 5: Solve for x
    x = 585,613,305,188.82/824,228.45
  6. Step 6: Final answer
    x = 710,498.78

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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.