Home / 821,323.38-1,133,414.22-458,752.53

Finding the Fourth Proportional to 821,323.38, 1,133,414.22 and 458,752.53

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Solution

The fourth proportional to 821,323.38, 1,133,414.22 and 458,752.53 is: 633,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,323.38 : 1,133,414.22 = 458,752.53 : x
  2. Step 2: Convert to fraction form
    821,323.38/1,133,414.22 = 458,752.53/x
  3. Step 3: Cross multiply
    821,323.38x = 1,133,414.22 × 458,752.53
  4. Step 4: Simplify right side
    821,323.38x = 519,956,640,962.98
  5. Step 5: Solve for x
    x = 519,956,640,962.98/821,323.38
  6. Step 6: Final answer
    x = 633,071.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.