Home / 514,209.30-771,811.49-248,157.10

Finding the Fourth Proportional to 514,209.30, 771,811.49 and 248,157.10

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Solution

The fourth proportional to 514,209.30, 771,811.49 and 248,157.10 is: 372,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,209.30 : 771,811.49 = 248,157.10 : x
  2. Step 2: Convert to fraction form
    514,209.30/771,811.49 = 248,157.10/x
  3. Step 3: Cross multiply
    514,209.30x = 771,811.49 × 248,157.10
  4. Step 4: Simplify right side
    514,209.30x = 191,530,501,105.08
  5. Step 5: Solve for x
    x = 191,530,501,105.08/514,209.30
  6. Step 6: Final answer
    x = 372,475.76

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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.