Home / 979,374.03-1,351,538.79-543,792.22

Finding the Fourth Proportional to 979,374.03, 1,351,538.79 and 543,792.22

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Solution

The fourth proportional to 979,374.03, 1,351,538.79 and 543,792.22 is: 750,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,374.03 : 1,351,538.79 = 543,792.22 : x
  2. Step 2: Convert to fraction form
    979,374.03/1,351,538.79 = 543,792.22/x
  3. Step 3: Cross multiply
    979,374.03x = 1,351,538.79 × 543,792.22
  4. Step 4: Simplify right side
    979,374.03x = 734,956,280,843.37
  5. Step 5: Solve for x
    x = 734,956,280,843.37/979,374.03
  6. Step 6: Final answer
    x = 750,434.73

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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.