Home / 1,683,386.10-2,323,072.80-919,441.47

Finding the Fourth Proportional to 1,683,386.10, 2,323,072.80 and 919,441.47

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Solution

The fourth proportional to 1,683,386.10, 2,323,072.80 and 919,441.47 is: 1,268,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,386.10 : 2,323,072.80 = 919,441.47 : x
  2. Step 2: Convert to fraction form
    1,683,386.10/2,323,072.80 = 919,441.47/x
  3. Step 3: Cross multiply
    1,683,386.10x = 2,323,072.80 × 919,441.47
  4. Step 4: Simplify right side
    1,683,386.10x = 2,135,929,470,149.02
  5. Step 5: Solve for x
    x = 2,135,929,470,149.02/1,683,386.10
  6. Step 6: Final answer
    x = 1,268,829.22

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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.