Home / 1,075,118.75-1,483,955.32-633,978.60

Finding the Fourth Proportional to 1,075,118.75, 1,483,955.32 and 633,978.60

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Solution

The fourth proportional to 1,075,118.75, 1,483,955.32 and 633,978.60 is: 875,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,118.75 : 1,483,955.32 = 633,978.60 : x
  2. Step 2: Convert to fraction form
    1,075,118.75/1,483,955.32 = 633,978.60/x
  3. Step 3: Cross multiply
    1,075,118.75x = 1,483,955.32 × 633,978.60
  4. Step 4: Simplify right side
    1,075,118.75x = 940,795,916,236.15
  5. Step 5: Solve for x
    x = 940,795,916,236.15/1,075,118.75
  6. Step 6: Final answer
    x = 875,062.33

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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.