Home / 1,217,296.44-1,679,567.28-787,058.88

Finding the Fourth Proportional to 1,217,296.44, 1,679,567.28 and 787,058.88

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Solution

The fourth proportional to 1,217,296.44, 1,679,567.28 and 787,058.88 is: 1,085,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,296.44 : 1,679,567.28 = 787,058.88 : x
  2. Step 2: Convert to fraction form
    1,217,296.44/1,679,567.28 = 787,058.88/x
  3. Step 3: Cross multiply
    1,217,296.44x = 1,679,567.28 × 787,058.88
  4. Step 4: Simplify right side
    1,217,296.44x = 1,321,918,342,281.45
  5. Step 5: Solve for x
    x = 1,321,918,342,281.45/1,217,296.44
  6. Step 6: Final answer
    x = 1,085,946.12

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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.