Home / 1,229,809.96-1,845,275.40-631,191.44

Finding the Fourth Proportional to 1,229,809.96, 1,845,275.40 and 631,191.44

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Solution

The fourth proportional to 1,229,809.96, 1,845,275.40 and 631,191.44 is: 947,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,809.96 : 1,845,275.40 = 631,191.44 : x
  2. Step 2: Convert to fraction form
    1,229,809.96/1,845,275.40 = 631,191.44/x
  3. Step 3: Cross multiply
    1,229,809.96x = 1,845,275.40 × 631,191.44
  4. Step 4: Simplify right side
    1,229,809.96x = 1,164,722,036,922.58
  5. Step 5: Solve for x
    x = 1,164,722,036,922.58/1,229,809.96
  6. Step 6: Final answer
    x = 947,074.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.