Home / 673,456.20-929,391.21-383,060.33

Finding the Fourth Proportional to 673,456.20, 929,391.21 and 383,060.33

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Solution

The fourth proportional to 673,456.20, 929,391.21 and 383,060.33 is: 528,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,456.20 : 929,391.21 = 383,060.33 : x
  2. Step 2: Convert to fraction form
    673,456.20/929,391.21 = 383,060.33/x
  3. Step 3: Cross multiply
    673,456.20x = 929,391.21 × 383,060.33
  4. Step 4: Simplify right side
    673,456.20x = 356,012,898,954.74
  5. Step 5: Solve for x
    x = 356,012,898,954.74/673,456.20
  6. Step 6: Final answer
    x = 528,635.57

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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.