Home / 1,281,359.40-1,919,414.70-650,628.60

Finding the Fourth Proportional to 1,281,359.40, 1,919,414.70 and 650,628.60

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Solution

The fourth proportional to 1,281,359.40, 1,919,414.70 and 650,628.60 is: 974,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,359.40 : 1,919,414.70 = 650,628.60 : x
  2. Step 2: Convert to fraction form
    1,281,359.40/1,919,414.70 = 650,628.60/x
  3. Step 3: Cross multiply
    1,281,359.40x = 1,919,414.70 × 650,628.60
  4. Step 4: Simplify right side
    1,281,359.40x = 1,248,826,099,080.42
  5. Step 5: Solve for x
    x = 1,248,826,099,080.42/1,281,359.40
  6. Step 6: Final answer
    x = 974,610.32

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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.