Home / 1,434,908.64-1,980,933.84-1,111,893.60

Finding the Fourth Proportional to 1,434,908.64, 1,980,933.84 and 1,111,893.60

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Solution

The fourth proportional to 1,434,908.64, 1,980,933.84 and 1,111,893.60 is: 1,535,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,908.64 : 1,980,933.84 = 1,111,893.60 : x
  2. Step 2: Convert to fraction form
    1,434,908.64/1,980,933.84 = 1,111,893.60/x
  3. Step 3: Cross multiply
    1,434,908.64x = 1,980,933.84 × 1,111,893.60
  4. Step 4: Simplify right side
    1,434,908.64x = 2,202,587,658,719.42
  5. Step 5: Solve for x
    x = 2,202,587,658,719.42/1,434,908.64
  6. Step 6: Final answer
    x = 1,535,002.02

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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.