Home / 874,511.75-1,311,767.63-500,272.31

Finding the Fourth Proportional to 874,511.75, 1,311,767.63 and 500,272.31

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Solution

The fourth proportional to 874,511.75, 1,311,767.63 and 500,272.31 is: 750,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,511.75 : 1,311,767.63 = 500,272.31 : x
  2. Step 2: Convert to fraction form
    874,511.75/1,311,767.63 = 500,272.31/x
  3. Step 3: Cross multiply
    874,511.75x = 1,311,767.63 × 500,272.31
  4. Step 4: Simplify right side
    874,511.75x = 656,241,025,097.40
  5. Step 5: Solve for x
    x = 656,241,025,097.40/874,511.75
  6. Step 6: Final answer
    x = 750,408.47

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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.