Home / 810,183.88-1,215,407.58-249,218.92

Finding the Fourth Proportional to 810,183.88, 1,215,407.58 and 249,218.92

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Solution

The fourth proportional to 810,183.88, 1,215,407.58 and 249,218.92 is: 373,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,183.88 : 1,215,407.58 = 249,218.92 : x
  2. Step 2: Convert to fraction form
    810,183.88/1,215,407.58 = 249,218.92/x
  3. Step 3: Cross multiply
    810,183.88x = 1,215,407.58 × 249,218.92
  4. Step 4: Simplify right side
    810,183.88x = 302,902,564,447.41
  5. Step 5: Solve for x
    x = 302,902,564,447.41/810,183.88
  6. Step 6: Final answer
    x = 373,868.91

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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.