Home / 3,074,845.72-4,242,965.22-1,785,434.76

Finding the Fourth Proportional to 3,074,845.72, 4,242,965.22 and 1,785,434.76

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Solution

The fourth proportional to 3,074,845.72, 4,242,965.22 and 1,785,434.76 is: 2,463,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074,845.72 : 4,242,965.22 = 1,785,434.76 : x
  2. Step 2: Convert to fraction form
    3,074,845.72/4,242,965.22 = 1,785,434.76/x
  3. Step 3: Cross multiply
    3,074,845.72x = 4,242,965.22 × 1,785,434.76
  4. Step 4: Simplify right side
    3,074,845.72x = 7,575,537,589,259.05
  5. Step 5: Solve for x
    x = 7,575,537,589,259.05/3,074,845.72
  6. Step 6: Final answer
    x = 2,463,713.07

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Double scale
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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.