Home / 276,941.74-415,412.46-66,579.62

Finding the Fourth Proportional to 276,941.74, 415,412.46 and 66,579.62

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Solution

The fourth proportional to 276,941.74, 415,412.46 and 66,579.62 is: 99,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,941.74 : 415,412.46 = 66,579.62 : x
  2. Step 2: Convert to fraction form
    276,941.74/415,412.46 = 66,579.62/x
  3. Step 3: Cross multiply
    276,941.74x = 415,412.46 × 66,579.62
  4. Step 4: Simplify right side
    276,941.74x = 27,658,003,730.07
  5. Step 5: Solve for x
    x = 27,658,003,730.07/276,941.74
  6. Step 6: Final answer
    x = 99,869.39

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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.