Home / 1,255,555.70-1,883,333.55-413,998.10

Finding the Fourth Proportional to 1,255,555.70, 1,883,333.55 and 413,998.10

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Solution

The fourth proportional to 1,255,555.70, 1,883,333.55 and 413,998.10 is: 620,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,555.70 : 1,883,333.55 = 413,998.10 : x
  2. Step 2: Convert to fraction form
    1,255,555.70/1,883,333.55 = 413,998.10/x
  3. Step 3: Cross multiply
    1,255,555.70x = 1,883,333.55 × 413,998.10
  4. Step 4: Simplify right side
    1,255,555.70x = 779,696,511,366.26
  5. Step 5: Solve for x
    x = 779,696,511,366.26/1,255,555.70
  6. Step 6: Final answer
    x = 620,997.15

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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.