Home / 1,263,411.68-1,894,909.82-453,628.42

Finding the Fourth Proportional to 1,263,411.68, 1,894,909.82 and 453,628.42

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Solution

The fourth proportional to 1,263,411.68, 1,894,909.82 and 453,628.42 is: 680,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,411.68 : 1,894,909.82 = 453,628.42 : x
  2. Step 2: Convert to fraction form
    1,263,411.68/1,894,909.82 = 453,628.42/x
  3. Step 3: Cross multiply
    1,263,411.68x = 1,894,909.82 × 453,628.42
  4. Step 4: Simplify right side
    1,263,411.68x = 859,584,940,683.67
  5. Step 5: Solve for x
    x = 859,584,940,683.67/1,263,411.68
  6. Step 6: Final answer
    x = 680,368.05

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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.