Home / 877,816.82-1,210,902.19-714,648.85

Finding the Fourth Proportional to 877,816.82, 1,210,902.19 and 714,648.85

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Solution

The fourth proportional to 877,816.82, 1,210,902.19 and 714,648.85 is: 985,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,816.82 : 1,210,902.19 = 714,648.85 : x
  2. Step 2: Convert to fraction form
    877,816.82/1,210,902.19 = 714,648.85/x
  3. Step 3: Cross multiply
    877,816.82x = 1,210,902.19 × 714,648.85
  4. Step 4: Simplify right side
    877,816.82x = 865,369,863,563.33
  5. Step 5: Solve for x
    x = 865,369,863,563.33/877,816.82
  6. Step 6: Final answer
    x = 985,820.55

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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.