Home / 1,209,281.58-1,668,806.64-665,452.44

Finding the Fourth Proportional to 1,209,281.58, 1,668,806.64 and 665,452.44

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Solution

The fourth proportional to 1,209,281.58, 1,668,806.64 and 665,452.44 is: 918,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,281.58 : 1,668,806.64 = 665,452.44 : x
  2. Step 2: Convert to fraction form
    1,209,281.58/1,668,806.64 = 665,452.44/x
  3. Step 3: Cross multiply
    1,209,281.58x = 1,668,806.64 × 665,452.44
  4. Step 4: Simplify right side
    1,209,281.58x = 1,110,511,450,476.20
  5. Step 5: Solve for x
    x = 1,110,511,450,476.20/1,209,281.58
  6. Step 6: Final answer
    x = 918,323.30

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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.