Home / 928,165.05-1,392,381.09-352,000.44

Finding the Fourth Proportional to 928,165.05, 1,392,381.09 and 352,000.44

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Solution

The fourth proportional to 928,165.05, 1,392,381.09 and 352,000.44 is: 528,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,165.05 : 1,392,381.09 = 352,000.44 : x
  2. Step 2: Convert to fraction form
    928,165.05/1,392,381.09 = 352,000.44/x
  3. Step 3: Cross multiply
    928,165.05x = 1,392,381.09 × 352,000.44
  4. Step 4: Simplify right side
    928,165.05x = 490,118,756,327.68
  5. Step 5: Solve for x
    x = 490,118,756,327.68/928,165.05
  6. Step 6: Final answer
    x = 528,051.29

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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.