Home / 589,015.71-812,820.35-359,956.22

Finding the Fourth Proportional to 589,015.71, 812,820.35 and 359,956.22

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Solution

The fourth proportional to 589,015.71, 812,820.35 and 359,956.22 is: 496,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,015.71 : 812,820.35 = 359,956.22 : x
  2. Step 2: Convert to fraction form
    589,015.71/812,820.35 = 359,956.22/x
  3. Step 3: Cross multiply
    589,015.71x = 812,820.35 × 359,956.22
  4. Step 4: Simplify right side
    589,015.71x = 292,579,737,560.87
  5. Step 5: Solve for x
    x = 292,579,737,560.87/589,015.71
  6. Step 6: Final answer
    x = 496,726.54

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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.