Home / 1,663,668.52-2,295,968.87-938,251.55

Finding the Fourth Proportional to 1,663,668.52, 2,295,968.87 and 938,251.55

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Solution

The fourth proportional to 1,663,668.52, 2,295,968.87 and 938,251.55 is: 1,294,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,668.52 : 2,295,968.87 = 938,251.55 : x
  2. Step 2: Convert to fraction form
    1,663,668.52/2,295,968.87 = 938,251.55/x
  3. Step 3: Cross multiply
    1,663,668.52x = 2,295,968.87 × 938,251.55
  4. Step 4: Simplify right side
    1,663,668.52x = 2,154,196,356,475.87
  5. Step 5: Solve for x
    x = 2,154,196,356,475.87/1,663,668.52
  6. Step 6: Final answer
    x = 1,294,847.10

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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.