Home / 1,099,736.40-1,648,030.20-625,419.60

Finding the Fourth Proportional to 1,099,736.40, 1,648,030.20 and 625,419.60

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Solution

The fourth proportional to 1,099,736.40, 1,648,030.20 and 625,419.60 is: 937,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,736.40 : 1,648,030.20 = 625,419.60 : x
  2. Step 2: Convert to fraction form
    1,099,736.40/1,648,030.20 = 625,419.60/x
  3. Step 3: Cross multiply
    1,099,736.40x = 1,648,030.20 × 625,419.60
  4. Step 4: Simplify right side
    1,099,736.40x = 1,030,710,388,471.92
  5. Step 5: Solve for x
    x = 1,030,710,388,471.92/1,099,736.40
  6. Step 6: Final answer
    x = 937,234.04

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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.