Home / 1,722,479.76-2,374,558.32-1,211,596.56

Finding the Fourth Proportional to 1,722,479.76, 2,374,558.32 and 1,211,596.56

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Solution

The fourth proportional to 1,722,479.76, 2,374,558.32 and 1,211,596.56 is: 1,670,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,479.76 : 2,374,558.32 = 1,211,596.56 : x
  2. Step 2: Convert to fraction form
    1,722,479.76/2,374,558.32 = 1,211,596.56/x
  3. Step 3: Cross multiply
    1,722,479.76x = 2,374,558.32 × 1,211,596.56
  4. Step 4: Simplify right side
    1,722,479.76x = 2,877,006,692,031.38
  5. Step 5: Solve for x
    x = 2,877,006,692,031.38/1,722,479.76
  6. Step 6: Final answer
    x = 1,670,270.25

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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.