Home / 839,746.19-1,259,622.53-255,511.52

Finding the Fourth Proportional to 839,746.19, 1,259,622.53 and 255,511.52

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Solution

The fourth proportional to 839,746.19, 1,259,622.53 and 255,511.52 is: 383,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,746.19 : 1,259,622.53 = 255,511.52 : x
  2. Step 2: Convert to fraction form
    839,746.19/1,259,622.53 = 255,511.52/x
  3. Step 3: Cross multiply
    839,746.19x = 1,259,622.53 × 255,511.52
  4. Step 4: Simplify right side
    839,746.19x = 321,848,069,138.04
  5. Step 5: Solve for x
    x = 321,848,069,138.04/839,746.19
  6. Step 6: Final answer
    x = 383,268.27

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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.