Home / 891,036.70-1,336,555.05-441,583.90

Finding the Fourth Proportional to 891,036.70, 1,336,555.05 and 441,583.90

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Solution

The fourth proportional to 891,036.70, 1,336,555.05 and 441,583.90 is: 662,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,036.70 : 1,336,555.05 = 441,583.90 : x
  2. Step 2: Convert to fraction form
    891,036.70/1,336,555.05 = 441,583.90/x
  3. Step 3: Cross multiply
    891,036.70x = 1,336,555.05 × 441,583.90
  4. Step 4: Simplify right side
    891,036.70x = 590,201,191,543.70
  5. Step 5: Solve for x
    x = 590,201,191,543.70/891,036.70
  6. Step 6: Final answer
    x = 662,375.85

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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.