Home / 1,421,642.26-2,132,573.55-475,016.32

Finding the Fourth Proportional to 1,421,642.26, 2,132,573.55 and 475,016.32

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Solution

The fourth proportional to 1,421,642.26, 2,132,573.55 and 475,016.32 is: 712,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,642.26 : 2,132,573.55 = 475,016.32 : x
  2. Step 2: Convert to fraction form
    1,421,642.26/2,132,573.55 = 475,016.32/x
  3. Step 3: Cross multiply
    1,421,642.26x = 2,132,573.55 × 475,016.32
  4. Step 4: Simplify right side
    1,421,642.26x = 1,013,007,239,850.34
  5. Step 5: Solve for x
    x = 1,013,007,239,850.34/1,421,642.26
  6. Step 6: Final answer
    x = 712,561.29

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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.