Home / 1,424,947.32-2,137,420.96-359,992.44

Finding the Fourth Proportional to 1,424,947.32, 2,137,420.96 and 359,992.44

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Solution

The fourth proportional to 1,424,947.32, 2,137,420.96 and 359,992.44 is: 539,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,947.32 : 2,137,420.96 = 359,992.44 : x
  2. Step 2: Convert to fraction form
    1,424,947.32/2,137,420.96 = 359,992.44/x
  3. Step 3: Cross multiply
    1,424,947.32x = 2,137,420.96 × 359,992.44
  4. Step 4: Simplify right side
    1,424,947.32x = 769,455,386,697.54
  5. Step 5: Solve for x
    x = 769,455,386,697.54/1,424,947.32
  6. Step 6: Final answer
    x = 539,988.65

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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.