Home / 1,338,711.68-2,007,641.46-439,944.32

Finding the Fourth Proportional to 1,338,711.68, 2,007,641.46 and 439,944.32

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Solution

The fourth proportional to 1,338,711.68, 2,007,641.46 and 439,944.32 is: 659,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,711.68 : 2,007,641.46 = 439,944.32 : x
  2. Step 2: Convert to fraction form
    1,338,711.68/2,007,641.46 = 439,944.32/x
  3. Step 3: Cross multiply
    1,338,711.68x = 2,007,641.46 × 439,944.32
  4. Step 4: Simplify right side
    1,338,711.68x = 883,250,456,923.51
  5. Step 5: Solve for x
    x = 883,250,456,923.51/1,338,711.68
  6. Step 6: Final answer
    x = 659,776.46

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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.