Home / 1,173,458.19-1,619,316.30-720,661.71

Finding the Fourth Proportional to 1,173,458.19, 1,619,316.30 and 720,661.71

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Solution

The fourth proportional to 1,173,458.19, 1,619,316.30 and 720,661.71 is: 994,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,458.19 : 1,619,316.30 = 720,661.71 : x
  2. Step 2: Convert to fraction form
    1,173,458.19/1,619,316.30 = 720,661.71/x
  3. Step 3: Cross multiply
    1,173,458.19x = 1,619,316.30 × 720,661.71
  4. Step 4: Simplify right side
    1,173,458.19x = 1,166,979,253,788.87
  5. Step 5: Solve for x
    x = 1,166,979,253,788.87/1,173,458.19
  6. Step 6: Final answer
    x = 994,478.77

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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.