Home / 742,198.60-1,113,233.10-243,562.60

Finding the Fourth Proportional to 742,198.60, 1,113,233.10 and 243,562.60

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Solution

The fourth proportional to 742,198.60, 1,113,233.10 and 243,562.60 is: 365,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,198.60 : 1,113,233.10 = 243,562.60 : x
  2. Step 2: Convert to fraction form
    742,198.60/1,113,233.10 = 243,562.60/x
  3. Step 3: Cross multiply
    742,198.60x = 1,113,233.10 × 243,562.60
  4. Step 4: Simplify right side
    742,198.60x = 271,141,948,242.06
  5. Step 5: Solve for x
    x = 271,141,948,242.06/742,198.60
  6. Step 6: Final answer
    x = 365,322.63

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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.