Home / 568,619.28-853,444.80-302,603.76

Finding the Fourth Proportional to 568,619.28, 853,444.80 and 302,603.76

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Solution

The fourth proportional to 568,619.28, 853,444.80 and 302,603.76 is: 454,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,619.28 : 853,444.80 = 302,603.76 : x
  2. Step 2: Convert to fraction form
    568,619.28/853,444.80 = 302,603.76/x
  3. Step 3: Cross multiply
    568,619.28x = 853,444.80 × 302,603.76
  4. Step 4: Simplify right side
    568,619.28x = 258,255,605,432.45
  5. Step 5: Solve for x
    x = 258,255,605,432.45/568,619.28
  6. Step 6: Final answer
    x = 454,180.18

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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.