Home / 1,212,063.39-1,672,660.37-668,218.65

Finding the Fourth Proportional to 1,212,063.39, 1,672,660.37 and 668,218.65

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Solution

The fourth proportional to 1,212,063.39, 1,672,660.37 and 668,218.65 is: 922,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,063.39 : 1,672,660.37 = 668,218.65 : x
  2. Step 2: Convert to fraction form
    1,212,063.39/1,672,660.37 = 668,218.65/x
  3. Step 3: Cross multiply
    1,212,063.39x = 1,672,660.37 × 668,218.65
  4. Step 4: Simplify right side
    1,212,063.39x = 1,117,702,854,349.90
  5. Step 5: Solve for x
    x = 1,117,702,854,349.90/1,212,063.39
  6. Step 6: Final answer
    x = 922,148.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.