Home / 890,871.51-1,331,413.83-651,487.96

Finding the Fourth Proportional to 890,871.51, 1,331,413.83 and 651,487.96

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Solution

The fourth proportional to 890,871.51, 1,331,413.83 and 651,487.96 is: 973,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,871.51 : 1,331,413.83 = 651,487.96 : x
  2. Step 2: Convert to fraction form
    890,871.51/1,331,413.83 = 651,487.96/x
  3. Step 3: Cross multiply
    890,871.51x = 1,331,413.83 × 651,487.96
  4. Step 4: Simplify right side
    890,871.51x = 867,400,083,519.06
  5. Step 5: Solve for x
    x = 867,400,083,519.06/890,871.51
  6. Step 6: Final answer
    x = 973,653.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.