Home / 384,056.16-529,758-276,455.76

Finding the Fourth Proportional to 384,056.16, 529,758 and 276,455.76

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Solution

The fourth proportional to 384,056.16, 529,758 and 276,455.76 is: 381,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,056.16 : 529,758 = 276,455.76 : x
  2. Step 2: Convert to fraction form
    384,056.16/529,758 = 276,455.76/x
  3. Step 3: Cross multiply
    384,056.16x = 529,758 × 276,455.76
  4. Step 4: Simplify right side
    384,056.16x = 146,454,650,506.08
  5. Step 5: Solve for x
    x = 146,454,650,506.08/384,056.16
  6. Step 6: Final answer
    x = 381,336.55

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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.