Home / 1,365,667.95-1,884,760.03-1,172,714.39

Finding the Fourth Proportional to 1,365,667.95, 1,884,760.03 and 1,172,714.39

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Solution

The fourth proportional to 1,365,667.95, 1,884,760.03 and 1,172,714.39 is: 1,618,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,667.95 : 1,884,760.03 = 1,172,714.39 : x
  2. Step 2: Convert to fraction form
    1,365,667.95/1,884,760.03 = 1,172,714.39/x
  3. Step 3: Cross multiply
    1,365,667.95x = 1,884,760.03 × 1,172,714.39
  4. Step 4: Simplify right side
    1,365,667.95x = 2,210,285,211,523.57
  5. Step 5: Solve for x
    x = 2,210,285,211,523.57/1,365,667.95
  6. Step 6: Final answer
    x = 1,618,464.58

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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.