Home / 690,740.22-1,036,817.06-570,413.91

Finding the Fourth Proportional to 690,740.22, 1,036,817.06 and 570,413.91

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Solution

The fourth proportional to 690,740.22, 1,036,817.06 and 570,413.91 is: 856,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,740.22 : 1,036,817.06 = 570,413.91 : x
  2. Step 2: Convert to fraction form
    690,740.22/1,036,817.06 = 570,413.91/x
  3. Step 3: Cross multiply
    690,740.22x = 1,036,817.06 × 570,413.91
  4. Step 4: Simplify right side
    690,740.22x = 591,414,870,297.24
  5. Step 5: Solve for x
    x = 591,414,870,297.24/690,740.22
  6. Step 6: Final answer
    x = 856,204.48

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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.