Home / 946,532.64-1,307,596.86-818,986.80

Finding the Fourth Proportional to 946,532.64, 1,307,596.86 and 818,986.80

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Solution

The fourth proportional to 946,532.64, 1,307,596.86 and 818,986.80 is: 1,131,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,532.64 : 1,307,596.86 = 818,986.80 : x
  2. Step 2: Convert to fraction form
    946,532.64/1,307,596.86 = 818,986.80/x
  3. Step 3: Cross multiply
    946,532.64x = 1,307,596.86 × 818,986.80
  4. Step 4: Simplify right side
    946,532.64x = 1,070,904,568,061.45
  5. Step 5: Solve for x
    x = 1,070,904,568,061.45/946,532.64
  6. Step 6: Final answer
    x = 1,131,397.40

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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.