Home / 811,237.27-1,119,462.16-443,641.87

Finding the Fourth Proportional to 811,237.27, 1,119,462.16 and 443,641.87

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Solution

The fourth proportional to 811,237.27, 1,119,462.16 and 443,641.87 is: 612,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,237.27 : 1,119,462.16 = 443,641.87 : x
  2. Step 2: Convert to fraction form
    811,237.27/1,119,462.16 = 443,641.87/x
  3. Step 3: Cross multiply
    811,237.27x = 1,119,462.16 × 443,641.87
  4. Step 4: Simplify right side
    811,237.27x = 496,640,286,056.64
  5. Step 5: Solve for x
    x = 496,640,286,056.64/811,237.27
  6. Step 6: Final answer
    x = 612,201.02

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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.