Home / 621,306.98-931,962.76-189,028.66

Finding the Fourth Proportional to 621,306.98, 931,962.76 and 189,028.66

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Solution

The fourth proportional to 621,306.98, 931,962.76 and 189,028.66 is: 283,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,306.98 : 931,962.76 = 189,028.66 : x
  2. Step 2: Convert to fraction form
    621,306.98/931,962.76 = 189,028.66/x
  3. Step 3: Cross multiply
    621,306.98x = 931,962.76 × 189,028.66
  4. Step 4: Simplify right side
    621,306.98x = 176,167,671,692.70
  5. Step 5: Solve for x
    x = 176,167,671,692.70/621,306.98
  6. Step 6: Final answer
    x = 283,543.69

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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.