Home / 514,212.05-771,815.61-248,159.85

Finding the Fourth Proportional to 514,212.05, 771,815.61 and 248,159.85

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Solution

The fourth proportional to 514,212.05, 771,815.61 and 248,159.85 is: 372,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,212.05 : 771,815.61 = 248,159.85 : x
  2. Step 2: Convert to fraction form
    514,212.05/771,815.61 = 248,159.85/x
  3. Step 3: Cross multiply
    514,212.05x = 771,815.61 × 248,159.85
  4. Step 4: Simplify right side
    514,212.05x = 191,533,646,005.26
  5. Step 5: Solve for x
    x = 191,533,646,005.26/514,212.05
  6. Step 6: Final answer
    x = 372,479.89

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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.