Home / 1,630,832.19-2,250,486.78-905,726.61

Finding the Fourth Proportional to 1,630,832.19, 2,250,486.78 and 905,726.61

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Solution

The fourth proportional to 1,630,832.19, 2,250,486.78 and 905,726.61 is: 1,249,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,832.19 : 2,250,486.78 = 905,726.61 : x
  2. Step 2: Convert to fraction form
    1,630,832.19/2,250,486.78 = 905,726.61/x
  3. Step 3: Cross multiply
    1,630,832.19x = 2,250,486.78 × 905,726.61
  4. Step 4: Simplify right side
    1,630,832.19x = 2,038,325,762,099.22
  5. Step 5: Solve for x
    x = 2,038,325,762,099.22/1,630,832.19
  6. Step 6: Final answer
    x = 1,249,868.49

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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.