Home / 558,675.40-838,017.36-159,315.84

Finding the Fourth Proportional to 558,675.40, 838,017.36 and 159,315.84

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Solution

The fourth proportional to 558,675.40, 838,017.36 and 159,315.84 is: 238,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,675.40 : 838,017.36 = 159,315.84 : x
  2. Step 2: Convert to fraction form
    558,675.40/838,017.36 = 159,315.84/x
  3. Step 3: Cross multiply
    558,675.40x = 838,017.36 × 159,315.84
  4. Step 4: Simplify right side
    558,675.40x = 133,509,439,642.98
  5. Step 5: Solve for x
    x = 133,509,439,642.98/558,675.40
  6. Step 6: Final answer
    x = 238,974.97

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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.