Home / 858,868.98-1,282,519.79-701,409.78

Finding the Fourth Proportional to 858,868.98, 1,282,519.79 and 701,409.78

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Solution

The fourth proportional to 858,868.98, 1,282,519.79 and 701,409.78 is: 1,047,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,868.98 : 1,282,519.79 = 701,409.78 : x
  2. Step 2: Convert to fraction form
    858,868.98/1,282,519.79 = 701,409.78/x
  3. Step 3: Cross multiply
    858,868.98x = 1,282,519.79 × 701,409.78
  4. Step 4: Simplify right side
    858,868.98x = 899,571,920,242.50
  5. Step 5: Solve for x
    x = 899,571,920,242.50/858,868.98
  6. Step 6: Final answer
    x = 1,047,391.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.