Home / 1,452,933.32-2,179,890.44-643,206.06

Finding the Fourth Proportional to 1,452,933.32, 2,179,890.44 and 643,206.06

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Solution

The fourth proportional to 1,452,933.32, 2,179,890.44 and 643,206.06 is: 965,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,933.32 : 2,179,890.44 = 643,206.06 : x
  2. Step 2: Convert to fraction form
    1,452,933.32/2,179,890.44 = 643,206.06/x
  3. Step 3: Cross multiply
    1,452,933.32x = 2,179,890.44 × 643,206.06
  4. Step 4: Simplify right side
    1,452,933.32x = 1,402,118,741,144.07
  5. Step 5: Solve for x
    x = 1,402,118,741,144.07/1,452,933.32
  6. Step 6: Final answer
    x = 965,026.21

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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.