Home / 869,081.40-1,303,622.10-237,994.20

Finding the Fourth Proportional to 869,081.40, 1,303,622.10 and 237,994.20

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Solution

The fourth proportional to 869,081.40, 1,303,622.10 and 237,994.20 is: 356,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,081.40 : 1,303,622.10 = 237,994.20 : x
  2. Step 2: Convert to fraction form
    869,081.40/1,303,622.10 = 237,994.20/x
  3. Step 3: Cross multiply
    869,081.40x = 1,303,622.10 × 237,994.20
  4. Step 4: Simplify right side
    869,081.40x = 310,254,498,791.82
  5. Step 5: Solve for x
    x = 310,254,498,791.82/869,081.40
  6. Step 6: Final answer
    x = 356,991.30

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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.