Home / 422,729.24-583,426.02-261,636.20

Finding the Fourth Proportional to 422,729.24, 583,426.02 and 261,636.20

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Solution

The fourth proportional to 422,729.24, 583,426.02 and 261,636.20 is: 361,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,729.24 : 583,426.02 = 261,636.20 : x
  2. Step 2: Convert to fraction form
    422,729.24/583,426.02 = 261,636.20/x
  3. Step 3: Cross multiply
    422,729.24x = 583,426.02 × 261,636.20
  4. Step 4: Simplify right side
    422,729.24x = 152,645,366,853.92
  5. Step 5: Solve for x
    x = 152,645,366,853.92/422,729.24
  6. Step 6: Final answer
    x = 361,094.89

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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.