Home / 877,786.89-1,211,444.42-495,838.27

Finding the Fourth Proportional to 877,786.89, 1,211,444.42 and 495,838.27

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Solution

The fourth proportional to 877,786.89, 1,211,444.42 and 495,838.27 is: 684,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,786.89 : 1,211,444.42 = 495,838.27 : x
  2. Step 2: Convert to fraction form
    877,786.89/1,211,444.42 = 495,838.27/x
  3. Step 3: Cross multiply
    877,786.89x = 1,211,444.42 × 495,838.27
  4. Step 4: Simplify right side
    877,786.89x = 600,680,505,413.95
  5. Step 5: Solve for x
    x = 600,680,505,413.95/877,786.89
  6. Step 6: Final answer
    x = 684,312.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.