Home / 1,071,980.01-1,605,867.80-621,755.01

Finding the Fourth Proportional to 1,071,980.01, 1,605,867.80 and 621,755.01

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Solution

The fourth proportional to 1,071,980.01, 1,605,867.80 and 621,755.01 is: 931,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,980.01 : 1,605,867.80 = 621,755.01 : x
  2. Step 2: Convert to fraction form
    1,071,980.01/1,605,867.80 = 621,755.01/x
  3. Step 3: Cross multiply
    1,071,980.01x = 1,605,867.80 × 621,755.01
  4. Step 4: Simplify right side
    1,071,980.01x = 998,456,346,938.90
  5. Step 5: Solve for x
    x = 998,456,346,938.90/1,071,980.01
  6. Step 6: Final answer
    x = 931,413.21

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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.