Home / 1,183,009.20-1,774,513.80-1,172,511.60

Finding the Fourth Proportional to 1,183,009.20, 1,774,513.80 and 1,172,511.60

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Solution

The fourth proportional to 1,183,009.20, 1,774,513.80 and 1,172,511.60 is: 1,758,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,009.20 : 1,774,513.80 = 1,172,511.60 : x
  2. Step 2: Convert to fraction form
    1,183,009.20/1,774,513.80 = 1,172,511.60/x
  3. Step 3: Cross multiply
    1,183,009.20x = 1,774,513.80 × 1,172,511.60
  4. Step 4: Simplify right side
    1,183,009.20x = 2,080,638,014,860.08
  5. Step 5: Solve for x
    x = 2,080,638,014,860.08/1,183,009.20
  6. Step 6: Final answer
    x = 1,758,767.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.