Home / 592,653.81-817,862.20-320,721.66

Finding the Fourth Proportional to 592,653.81, 817,862.20 and 320,721.66

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Solution

The fourth proportional to 592,653.81, 817,862.20 and 320,721.66 is: 442,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,653.81 : 817,862.20 = 320,721.66 : x
  2. Step 2: Convert to fraction form
    592,653.81/817,862.20 = 320,721.66/x
  3. Step 3: Cross multiply
    592,653.81x = 817,862.20 × 320,721.66
  4. Step 4: Simplify right side
    592,653.81x = 262,306,122,435.25
  5. Step 5: Solve for x
    x = 262,306,122,435.25/592,653.81
  6. Step 6: Final answer
    x = 442,595.86

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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.