Home / 683,528.20-1,025,292.30-304,448.20

Finding the Fourth Proportional to 683,528.20, 1,025,292.30 and 304,448.20

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Solution

The fourth proportional to 683,528.20, 1,025,292.30 and 304,448.20 is: 456,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,528.20 : 1,025,292.30 = 304,448.20 : x
  2. Step 2: Convert to fraction form
    683,528.20/1,025,292.30 = 304,448.20/x
  3. Step 3: Cross multiply
    683,528.20x = 1,025,292.30 × 304,448.20
  4. Step 4: Simplify right side
    683,528.20x = 312,148,395,208.86
  5. Step 5: Solve for x
    x = 312,148,395,208.86/683,528.20
  6. Step 6: Final answer
    x = 456,672.30

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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.