Home / 1,668,275.90-2,302,203.42-933,220.64

Finding the Fourth Proportional to 1,668,275.90, 2,302,203.42 and 933,220.64

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Solution

The fourth proportional to 1,668,275.90, 2,302,203.42 and 933,220.64 is: 1,287,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,275.90 : 2,302,203.42 = 933,220.64 : x
  2. Step 2: Convert to fraction form
    1,668,275.90/2,302,203.42 = 933,220.64/x
  3. Step 3: Cross multiply
    1,668,275.90x = 2,302,203.42 × 933,220.64
  4. Step 4: Simplify right side
    1,668,275.90x = 2,148,463,737,511.57
  5. Step 5: Solve for x
    x = 2,148,463,737,511.57/1,668,275.90
  6. Step 6: Final answer
    x = 1,287,834.79

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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.