Home / 839,915.60-1,259,873.40-603,719.60

Finding the Fourth Proportional to 839,915.60, 1,259,873.40 and 603,719.60

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Solution

The fourth proportional to 839,915.60, 1,259,873.40 and 603,719.60 is: 905,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,915.60 : 1,259,873.40 = 603,719.60 : x
  2. Step 2: Convert to fraction form
    839,915.60/1,259,873.40 = 603,719.60/x
  3. Step 3: Cross multiply
    839,915.60x = 1,259,873.40 × 603,719.60
  4. Step 4: Simplify right side
    839,915.60x = 760,610,265,098.64
  5. Step 5: Solve for x
    x = 760,610,265,098.64/839,915.60
  6. Step 6: Final answer
    x = 905,579.40

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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.