Home / 488,834.41-674,581.28-268,068.51

Finding the Fourth Proportional to 488,834.41, 674,581.28 and 268,068.51

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Solution

The fourth proportional to 488,834.41, 674,581.28 and 268,068.51 is: 369,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,834.41 : 674,581.28 = 268,068.51 : x
  2. Step 2: Convert to fraction form
    488,834.41/674,581.28 = 268,068.51/x
  3. Step 3: Cross multiply
    488,834.41x = 674,581.28 × 268,068.51
  4. Step 4: Simplify right side
    488,834.41x = 180,833,998,603.49
  5. Step 5: Solve for x
    x = 180,833,998,603.49/488,834.41
  6. Step 6: Final answer
    x = 369,928.95

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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.