Home / 1,685,899.28-2,326,540.92-921,953.36

Finding the Fourth Proportional to 1,685,899.28, 2,326,540.92 and 921,953.36

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Solution

The fourth proportional to 1,685,899.28, 2,326,540.92 and 921,953.36 is: 1,272,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,899.28 : 2,326,540.92 = 921,953.36 : x
  2. Step 2: Convert to fraction form
    1,685,899.28/2,326,540.92 = 921,953.36/x
  3. Step 3: Cross multiply
    1,685,899.28x = 2,326,540.92 × 921,953.36
  4. Step 4: Simplify right side
    1,685,899.28x = 2,144,962,218,371.49
  5. Step 5: Solve for x
    x = 2,144,962,218,371.49/1,685,899.28
  6. Step 6: Final answer
    x = 1,272,295.59

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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.