Home / 361,579.60-498,927.45-200,434.60

Finding the Fourth Proportional to 361,579.60, 498,927.45 and 200,434.60

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Solution

The fourth proportional to 361,579.60, 498,927.45 and 200,434.60 is: 276,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,579.60 : 498,927.45 = 200,434.60 : x
  2. Step 2: Convert to fraction form
    361,579.60/498,927.45 = 200,434.60/x
  3. Step 3: Cross multiply
    361,579.60x = 498,927.45 × 200,434.60
  4. Step 4: Simplify right side
    361,579.60x = 100,002,323,869.77
  5. Step 5: Solve for x
    x = 100,002,323,869.77/361,579.60
  6. Step 6: Final answer
    x = 276,570.70

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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.