Home / 514,189.56-771,783.08-248,137.36

Finding the Fourth Proportional to 514,189.56, 771,783.08 and 248,137.36

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Solution

The fourth proportional to 514,189.56, 771,783.08 and 248,137.36 is: 372,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,189.56 : 771,783.08 = 248,137.36 : x
  2. Step 2: Convert to fraction form
    514,189.56/771,783.08 = 248,137.36/x
  3. Step 3: Cross multiply
    514,189.56x = 771,783.08 × 248,137.36
  4. Step 4: Simplify right side
    514,189.56x = 191,508,215,963.87
  5. Step 5: Solve for x
    x = 191,508,215,963.87/514,189.56
  6. Step 6: Final answer
    x = 372,446.72

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1.5x scale

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.