Home / 1,781,416.78-2,672,087.77-433,586.90

Finding the Fourth Proportional to 1,781,416.78, 2,672,087.77 and 433,586.90

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Solution

The fourth proportional to 1,781,416.78, 2,672,087.77 and 433,586.90 is: 650,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,416.78 : 2,672,087.77 = 433,586.90 : x
  2. Step 2: Convert to fraction form
    1,781,416.78/2,672,087.77 = 433,586.90/x
  3. Step 3: Cross multiply
    1,781,416.78x = 2,672,087.77 × 433,586.90
  4. Step 4: Simplify right side
    1,781,416.78x = 1,158,582,252,722.21
  5. Step 5: Solve for x
    x = 1,158,582,252,722.21/1,781,416.78
  6. Step 6: Final answer
    x = 650,371.25

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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.