Home / 456,451.20-683,364.60-403,963.20

Finding the Fourth Proportional to 456,451.20, 683,364.60 and 403,963.20

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Solution

The fourth proportional to 456,451.20, 683,364.60 and 403,963.20 is: 604,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,451.20 : 683,364.60 = 403,963.20 : x
  2. Step 2: Convert to fraction form
    456,451.20/683,364.60 = 403,963.20/x
  3. Step 3: Cross multiply
    456,451.20x = 683,364.60 × 403,963.20
  4. Step 4: Simplify right side
    456,451.20x = 276,054,150,582.72
  5. Step 5: Solve for x
    x = 276,054,150,582.72/456,451.20
  6. Step 6: Final answer
    x = 604,783.49

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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.