Home / 1,668,966.35-2,504,477.41-657,916.25

Finding the Fourth Proportional to 1,668,966.35, 2,504,477.41 and 657,916.25

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Solution

The fourth proportional to 1,668,966.35, 2,504,477.41 and 657,916.25 is: 987,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,966.35 : 2,504,477.41 = 657,916.25 : x
  2. Step 2: Convert to fraction form
    1,668,966.35/2,504,477.41 = 657,916.25/x
  3. Step 3: Cross multiply
    1,668,966.35x = 2,504,477.41 × 657,916.25
  4. Step 4: Simplify right side
    1,668,966.35x = 1,647,736,371,629.74
  5. Step 5: Solve for x
    x = 1,647,736,371,629.74/1,668,966.35
  6. Step 6: Final answer
    x = 987,279.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.