Home / 1,263,405.52-1,894,900.65-453,622.30

Finding the Fourth Proportional to 1,263,405.52, 1,894,900.65 and 453,622.30

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Solution

The fourth proportional to 1,263,405.52, 1,894,900.65 and 453,622.30 is: 680,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,405.52 : 1,894,900.65 = 453,622.30 : x
  2. Step 2: Convert to fraction form
    1,263,405.52/1,894,900.65 = 453,622.30/x
  3. Step 3: Cross multiply
    1,263,405.52x = 1,894,900.65 × 453,622.30
  4. Step 4: Simplify right side
    1,263,405.52x = 859,569,191,124.50
  5. Step 5: Solve for x
    x = 859,569,191,124.50/1,263,405.52
  6. Step 6: Final answer
    x = 680,358.90

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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.