Home / 1,434,908.66-1,980,099.21-891,032.79

Finding the Fourth Proportional to 1,434,908.66, 1,980,099.21 and 891,032.79

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Solution

The fourth proportional to 1,434,908.66, 1,980,099.21 and 891,032.79 is: 1,229,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,908.66 : 1,980,099.21 = 891,032.79 : x
  2. Step 2: Convert to fraction form
    1,434,908.66/1,980,099.21 = 891,032.79/x
  3. Step 3: Cross multiply
    1,434,908.66x = 1,980,099.21 × 891,032.79
  4. Step 4: Simplify right side
    1,434,908.66x = 1,764,333,323,563.10
  5. Step 5: Solve for x
    x = 1,764,333,323,563.10/1,434,908.66
  6. Step 6: Final answer
    x = 1,229,578.84

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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.