Home / 1,115,081.90-1,672,622.85-367,030.70

Finding the Fourth Proportional to 1,115,081.90, 1,672,622.85 and 367,030.70

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Solution

The fourth proportional to 1,115,081.90, 1,672,622.85 and 367,030.70 is: 550,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,081.90 : 1,672,622.85 = 367,030.70 : x
  2. Step 2: Convert to fraction form
    1,115,081.90/1,672,622.85 = 367,030.70/x
  3. Step 3: Cross multiply
    1,115,081.90x = 1,672,622.85 × 367,030.70
  4. Step 4: Simplify right side
    1,115,081.90x = 613,903,935,471.50
  5. Step 5: Solve for x
    x = 613,903,935,471.50/1,115,081.90
  6. Step 6: Final answer
    x = 550,546.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.