Home / 1,630,951.35-2,250,776.18-905,854.20

Finding the Fourth Proportional to 1,630,951.35, 2,250,776.18 and 905,854.20

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Solution

The fourth proportional to 1,630,951.35, 2,250,776.18 and 905,854.20 is: 1,250,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,951.35 : 2,250,776.18 = 905,854.20 : x
  2. Step 2: Convert to fraction form
    1,630,951.35/2,250,776.18 = 905,854.20/x
  3. Step 3: Cross multiply
    1,630,951.35x = 2,250,776.18 × 905,854.20
  4. Step 4: Simplify right side
    1,630,951.35x = 2,038,875,055,912.96
  5. Step 5: Solve for x
    x = 2,038,875,055,912.96/1,630,951.35
  6. Step 6: Final answer
    x = 1,250,113.96

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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.