Home / 1,362,884.40-1,880,783.15-819,028.53

Finding the Fourth Proportional to 1,362,884.40, 1,880,783.15 and 819,028.53

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Solution

The fourth proportional to 1,362,884.40, 1,880,783.15 and 819,028.53 is: 1,130,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,884.40 : 1,880,783.15 = 819,028.53 : x
  2. Step 2: Convert to fraction form
    1,362,884.40/1,880,783.15 = 819,028.53/x
  3. Step 3: Cross multiply
    1,362,884.40x = 1,880,783.15 × 819,028.53
  4. Step 4: Simplify right side
    1,362,884.40x = 1,540,415,054,498.13
  5. Step 5: Solve for x
    x = 1,540,415,054,498.13/1,362,884.40
  6. Step 6: Final answer
    x = 1,130,260.98

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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.