Home / 1,159,833.68-1,600,579.04-643,589.60

Finding the Fourth Proportional to 1,159,833.68, 1,600,579.04 and 643,589.60

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Solution

The fourth proportional to 1,159,833.68, 1,600,579.04 and 643,589.60 is: 888,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,833.68 : 1,600,579.04 = 643,589.60 : x
  2. Step 2: Convert to fraction form
    1,159,833.68/1,600,579.04 = 643,589.60/x
  3. Step 3: Cross multiply
    1,159,833.68x = 1,600,579.04 × 643,589.60
  4. Step 4: Simplify right side
    1,159,833.68x = 1,030,116,021,904.40
  5. Step 5: Solve for x
    x = 1,030,116,021,904.40/1,159,833.68
  6. Step 6: Final answer
    x = 888,158.39

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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.