Home / 908,949.20-1,254,293.54-501,029.96

Finding the Fourth Proportional to 908,949.20, 1,254,293.54 and 501,029.96

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Solution

The fourth proportional to 908,949.20, 1,254,293.54 and 501,029.96 is: 691,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,949.20 : 1,254,293.54 = 501,029.96 : x
  2. Step 2: Convert to fraction form
    908,949.20/1,254,293.54 = 501,029.96/x
  3. Step 3: Cross multiply
    908,949.20x = 1,254,293.54 × 501,029.96
  4. Step 4: Simplify right side
    908,949.20x = 628,438,633,397.84
  5. Step 5: Solve for x
    x = 628,438,633,397.84/908,949.20
  6. Step 6: Final answer
    x = 691,390.27

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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.