Home / 694,275.84-1,041,413.76-658,817.28

Finding the Fourth Proportional to 694,275.84, 1,041,413.76 and 658,817.28

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Solution

The fourth proportional to 694,275.84, 1,041,413.76 and 658,817.28 is: 988,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,275.84 : 1,041,413.76 = 658,817.28 : x
  2. Step 2: Convert to fraction form
    694,275.84/1,041,413.76 = 658,817.28/x
  3. Step 3: Cross multiply
    694,275.84x = 1,041,413.76 × 658,817.28
  4. Step 4: Simplify right side
    694,275.84x = 686,101,380,717.77
  5. Step 5: Solve for x
    x = 686,101,380,717.77/694,275.84
  6. Step 6: Final answer
    x = 988,225.92

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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.