Home / 1,316,062.80-1,816,172.46-712,450.80

Finding the Fourth Proportional to 1,316,062.80, 1,816,172.46 and 712,450.80

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Solution

The fourth proportional to 1,316,062.80, 1,816,172.46 and 712,450.80 is: 983,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,062.80 : 1,816,172.46 = 712,450.80 : x
  2. Step 2: Convert to fraction form
    1,316,062.80/1,816,172.46 = 712,450.80/x
  3. Step 3: Cross multiply
    1,316,062.80x = 1,816,172.46 × 712,450.80
  4. Step 4: Simplify right side
    1,316,062.80x = 1,293,933,522,064.97
  5. Step 5: Solve for x
    x = 1,293,933,522,064.97/1,316,062.80
  6. Step 6: Final answer
    x = 983,185.24

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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.