Home / 673,115.92-928,731.70-411,404.36

Finding the Fourth Proportional to 673,115.92, 928,731.70 and 411,404.36

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Solution

The fourth proportional to 673,115.92, 928,731.70 and 411,404.36 is: 567,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,115.92 : 928,731.70 = 411,404.36 : x
  2. Step 2: Convert to fraction form
    673,115.92/928,731.70 = 411,404.36/x
  3. Step 3: Cross multiply
    673,115.92x = 928,731.70 × 411,404.36
  4. Step 4: Simplify right side
    673,115.92x = 382,084,270,650.21
  5. Step 5: Solve for x
    x = 382,084,270,650.21/673,115.92
  6. Step 6: Final answer
    x = 567,635.17

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1.5x scale

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.