Home / 1,781,415.78-2,672,086.27-433,585.90

Finding the Fourth Proportional to 1,781,415.78, 2,672,086.27 and 433,585.90

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Solution

The fourth proportional to 1,781,415.78, 2,672,086.27 and 433,585.90 is: 650,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,415.78 : 2,672,086.27 = 433,585.90 : x
  2. Step 2: Convert to fraction form
    1,781,415.78/2,672,086.27 = 433,585.90/x
  3. Step 3: Cross multiply
    1,781,415.78x = 2,672,086.27 × 433,585.90
  4. Step 4: Simplify right side
    1,781,415.78x = 1,158,578,930,255.59
  5. Step 5: Solve for x
    x = 1,158,578,930,255.59/1,781,415.78
  6. Step 6: Final answer
    x = 650,369.75

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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.