Home / 672,000.10-1,008,086.55-335,212.90

Finding the Fourth Proportional to 672,000.10, 1,008,086.55 and 335,212.90

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Solution

The fourth proportional to 672,000.10, 1,008,086.55 and 335,212.90 is: 502,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,000.10 : 1,008,086.55 = 335,212.90 : x
  2. Step 2: Convert to fraction form
    672,000.10/1,008,086.55 = 335,212.90/x
  3. Step 3: Cross multiply
    672,000.10x = 1,008,086.55 × 335,212.90
  4. Step 4: Simplify right side
    672,000.10x = 337,923,615,876.50
  5. Step 5: Solve for x
    x = 337,923,615,876.50/672,000.10
  6. Step 6: Final answer
    x = 502,862.45

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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.