Home / 1,207,122-1,810,963.08-354,159.24

Finding the Fourth Proportional to 1,207,122, 1,810,963.08 and 354,159.24

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Solution

The fourth proportional to 1,207,122, 1,810,963.08 and 354,159.24 is: 531,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,122 : 1,810,963.08 = 354,159.24 : x
  2. Step 2: Convert to fraction form
    1,207,122/1,810,963.08 = 354,159.24/x
  3. Step 3: Cross multiply
    1,207,122x = 1,810,963.08 × 354,159.24
  4. Step 4: Simplify right side
    1,207,122x = 641,369,308,080.86
  5. Step 5: Solve for x
    x = 641,369,308,080.86/1,207,122
  6. Step 6: Final answer
    x = 531,321.03

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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.