Home / 1,214,187.47-1,820,963.73-361,029.35

Finding the Fourth Proportional to 1,214,187.47, 1,820,963.73 and 361,029.35

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Solution

The fourth proportional to 1,214,187.47, 1,820,963.73 and 361,029.35 is: 541,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,187.47 : 1,820,963.73 = 361,029.35 : x
  2. Step 2: Convert to fraction form
    1,214,187.47/1,820,963.73 = 361,029.35/x
  3. Step 3: Cross multiply
    1,214,187.47x = 1,820,963.73 × 361,029.35
  4. Step 4: Simplify right side
    1,214,187.47x = 657,421,357,721.75
  5. Step 5: Solve for x
    x = 657,421,357,721.75/1,214,187.47
  6. Step 6: Final answer
    x = 541,449.63

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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.