Home / 1,630,348.80-2,246,180.40-1,261,557.95

Finding the Fourth Proportional to 1,630,348.80, 2,246,180.40 and 1,261,557.95

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Solution

The fourth proportional to 1,630,348.80, 2,246,180.40 and 1,261,557.95 is: 1,738,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,348.80 : 2,246,180.40 = 1,261,557.95 : x
  2. Step 2: Convert to fraction form
    1,630,348.80/2,246,180.40 = 1,261,557.95/x
  3. Step 3: Cross multiply
    1,630,348.80x = 2,246,180.40 × 1,261,557.95
  4. Step 4: Simplify right side
    1,630,348.80x = 2,833,686,729,523.28
  5. Step 5: Solve for x
    x = 2,833,686,729,523.28/1,630,348.80
  6. Step 6: Final answer
    x = 1,738,086.19

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1.5x scale

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.