Home / 1,691,483.92-2,334,133.80-927,521.20

Finding the Fourth Proportional to 1,691,483.92, 2,334,133.80 and 927,521.20

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Solution

The fourth proportional to 1,691,483.92, 2,334,133.80 and 927,521.20 is: 1,279,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,483.92 : 2,334,133.80 = 927,521.20 : x
  2. Step 2: Convert to fraction form
    1,691,483.92/2,334,133.80 = 927,521.20/x
  3. Step 3: Cross multiply
    1,691,483.92x = 2,334,133.80 × 927,521.20
  4. Step 4: Simplify right side
    1,691,483.92x = 2,164,958,583,136.56
  5. Step 5: Solve for x
    x = 2,164,958,583,136.56/1,691,483.92
  6. Step 6: Final answer
    x = 1,279,916.74

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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.