Home / 1,611,280.65-2,223,522.90-886,128.36

Finding the Fourth Proportional to 1,611,280.65, 2,223,522.90 and 886,128.36

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Solution

The fourth proportional to 1,611,280.65, 2,223,522.90 and 886,128.36 is: 1,222,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,280.65 : 2,223,522.90 = 886,128.36 : x
  2. Step 2: Convert to fraction form
    1,611,280.65/2,223,522.90 = 886,128.36/x
  3. Step 3: Cross multiply
    1,611,280.65x = 2,223,522.90 × 886,128.36
  4. Step 4: Simplify right side
    1,611,280.65x = 1,970,326,692,461.23
  5. Step 5: Solve for x
    x = 1,970,326,692,461.23/1,611,280.65
  6. Step 6: Final answer
    x = 1,222,832.71

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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.