Home / 1,340,928.54-1,850,547.90-831,794.94

Finding the Fourth Proportional to 1,340,928.54, 1,850,547.90 and 831,794.94

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Solution

The fourth proportional to 1,340,928.54, 1,850,547.90 and 831,794.94 is: 1,147,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,928.54 : 1,850,547.90 = 831,794.94 : x
  2. Step 2: Convert to fraction form
    1,340,928.54/1,850,547.90 = 831,794.94/x
  3. Step 3: Cross multiply
    1,340,928.54x = 1,850,547.90 × 831,794.94
  4. Step 4: Simplify right side
    1,340,928.54x = 1,539,276,379,447.63
  5. Step 5: Solve for x
    x = 1,539,276,379,447.63/1,340,928.54
  6. Step 6: Final answer
    x = 1,147,918.28

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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.