Home / 579,032-868,663.95-199,966.58

Finding the Fourth Proportional to 579,032, 868,663.95 and 199,966.58

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Solution

The fourth proportional to 579,032, 868,663.95 and 199,966.58 is: 299,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,032 : 868,663.95 = 199,966.58 : x
  2. Step 2: Convert to fraction form
    579,032/868,663.95 = 199,966.58/x
  3. Step 3: Cross multiply
    579,032x = 868,663.95 × 199,966.58
  4. Step 4: Simplify right side
    579,032x = 173,703,759,250.79
  5. Step 5: Solve for x
    x = 173,703,759,250.79/579,032
  6. Step 6: Final answer
    x = 299,989.91

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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.