Home / 1,685,413.88-2,528,372.56-620,374.96

Finding the Fourth Proportional to 1,685,413.88, 2,528,372.56 and 620,374.96

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Solution

The fourth proportional to 1,685,413.88, 2,528,372.56 and 620,374.96 is: 930,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,413.88 : 2,528,372.56 = 620,374.96 : x
  2. Step 2: Convert to fraction form
    1,685,413.88/2,528,372.56 = 620,374.96/x
  3. Step 3: Cross multiply
    1,685,413.88x = 2,528,372.56 × 620,374.96
  4. Step 4: Simplify right side
    1,685,413.88x = 1,568,539,025,775.10
  5. Step 5: Solve for x
    x = 1,568,539,025,775.10/1,685,413.88
  6. Step 6: Final answer
    x = 930,655.10

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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.