Home / 1,153,164.57-1,591,465.50-643,965.36

Finding the Fourth Proportional to 1,153,164.57, 1,591,465.50 and 643,965.36

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Solution

The fourth proportional to 1,153,164.57, 1,591,465.50 and 643,965.36 is: 888,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,164.57 : 1,591,465.50 = 643,965.36 : x
  2. Step 2: Convert to fraction form
    1,153,164.57/1,591,465.50 = 643,965.36/x
  3. Step 3: Cross multiply
    1,153,164.57x = 1,591,465.50 × 643,965.36
  4. Step 4: Simplify right side
    1,153,164.57x = 1,024,848,653,635.08
  5. Step 5: Solve for x
    x = 1,024,848,653,635.08/1,153,164.57
  6. Step 6: Final answer
    x = 888,727.14

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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.