Home / 673,049.16-928,743.30-371,223.72

Finding the Fourth Proportional to 673,049.16, 928,743.30 and 371,223.72

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Solution

The fourth proportional to 673,049.16, 928,743.30 and 371,223.72 is: 512,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,049.16 : 928,743.30 = 371,223.72 : x
  2. Step 2: Convert to fraction form
    673,049.16/928,743.30 = 371,223.72/x
  3. Step 3: Cross multiply
    673,049.16x = 928,743.30 × 371,223.72
  4. Step 4: Simplify right side
    673,049.16x = 344,771,542,751.08
  5. Step 5: Solve for x
    x = 344,771,542,751.08/673,049.16
  6. Step 6: Final answer
    x = 512,253.14

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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.