Home / 1,235,939.40-1,853,909.10-394,576.20

Finding the Fourth Proportional to 1,235,939.40, 1,853,909.10 and 394,576.20

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Solution

The fourth proportional to 1,235,939.40, 1,853,909.10 and 394,576.20 is: 591,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,939.40 : 1,853,909.10 = 394,576.20 : x
  2. Step 2: Convert to fraction form
    1,235,939.40/1,853,909.10 = 394,576.20/x
  3. Step 3: Cross multiply
    1,235,939.40x = 1,853,909.10 × 394,576.20
  4. Step 4: Simplify right side
    1,235,939.40x = 731,508,407,823.42
  5. Step 5: Solve for x
    x = 731,508,407,823.42/1,235,939.40
  6. Step 6: Final answer
    x = 591,864.30

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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.