Home / 1,211,114-1,671,337.32-674,604.56

Finding the Fourth Proportional to 1,211,114, 1,671,337.32 and 674,604.56

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Solution

The fourth proportional to 1,211,114, 1,671,337.32 and 674,604.56 is: 930,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,114 : 1,671,337.32 = 674,604.56 : x
  2. Step 2: Convert to fraction form
    1,211,114/1,671,337.32 = 674,604.56/x
  3. Step 3: Cross multiply
    1,211,114x = 1,671,337.32 × 674,604.56
  4. Step 4: Simplify right side
    1,211,114x = 1,127,491,777,370.18
  5. Step 5: Solve for x
    x = 1,127,491,777,370.18/1,211,114
  6. Step 6: Final answer
    x = 930,954.29

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Half scale
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Double scale
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Similar ratio
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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.