Home / 1,209,583.67-1,668,531.15-756,087.35

Finding the Fourth Proportional to 1,209,583.67, 1,668,531.15 and 756,087.35

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Solution

The fourth proportional to 1,209,583.67, 1,668,531.15 and 756,087.35 is: 1,042,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,583.67 : 1,668,531.15 = 756,087.35 : x
  2. Step 2: Convert to fraction form
    1,209,583.67/1,668,531.15 = 756,087.35/x
  3. Step 3: Cross multiply
    1,209,583.67x = 1,668,531.15 × 756,087.35
  4. Step 4: Simplify right side
    1,209,583.67x = 1,261,555,287,253.30
  5. Step 5: Solve for x
    x = 1,261,555,287,253.30/1,209,583.67
  6. Step 6: Final answer
    x = 1,042,966.54

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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.