Home / 1,105,023.20-1,657,370.76-306,221.44

Finding the Fourth Proportional to 1,105,023.20, 1,657,370.76 and 306,221.44

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Solution

The fourth proportional to 1,105,023.20, 1,657,370.76 and 306,221.44 is: 459,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,023.20 : 1,657,370.76 = 306,221.44 : x
  2. Step 2: Convert to fraction form
    1,105,023.20/1,657,370.76 = 306,221.44/x
  3. Step 3: Cross multiply
    1,105,023.20x = 1,657,370.76 × 306,221.44
  4. Step 4: Simplify right side
    1,105,023.20x = 507,522,460,741.09
  5. Step 5: Solve for x
    x = 507,522,460,741.09/1,105,023.20
  6. Step 6: Final answer
    x = 459,286.70

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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.