Home / 725,038.44-1,000,149.90-673,721.34

Finding the Fourth Proportional to 725,038.44, 1,000,149.90 and 673,721.34

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Solution

The fourth proportional to 725,038.44, 1,000,149.90 and 673,721.34 is: 929,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,038.44 : 1,000,149.90 = 673,721.34 : x
  2. Step 2: Convert to fraction form
    725,038.44/1,000,149.90 = 673,721.34/x
  3. Step 3: Cross multiply
    725,038.44x = 1,000,149.90 × 673,721.34
  4. Step 4: Simplify right side
    725,038.44x = 673,822,330,828.87
  5. Step 5: Solve for x
    x = 673,822,330,828.87/725,038.44
  6. Step 6: Final answer
    x = 929,360.84

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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.