Home / 1,057,840.20-1,586,906.10-383,758.20

Finding the Fourth Proportional to 1,057,840.20, 1,586,906.10 and 383,758.20

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Solution

The fourth proportional to 1,057,840.20, 1,586,906.10 and 383,758.20 is: 575,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,840.20 : 1,586,906.10 = 383,758.20 : x
  2. Step 2: Convert to fraction form
    1,057,840.20/1,586,906.10 = 383,758.20/x
  3. Step 3: Cross multiply
    1,057,840.20x = 1,586,906.10 × 383,758.20
  4. Step 4: Simplify right side
    1,057,840.20x = 608,988,228,505.02
  5. Step 5: Solve for x
    x = 608,988,228,505.02/1,057,840.20
  6. Step 6: Final answer
    x = 575,690.19

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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.