Home / 554,284.02-765,119.94-363,309.72

Finding the Fourth Proportional to 554,284.02, 765,119.94 and 363,309.72

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Solution

The fourth proportional to 554,284.02, 765,119.94 and 363,309.72 is: 501,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,284.02 : 765,119.94 = 363,309.72 : x
  2. Step 2: Convert to fraction form
    554,284.02/765,119.94 = 363,309.72/x
  3. Step 3: Cross multiply
    554,284.02x = 765,119.94 × 363,309.72
  4. Step 4: Simplify right side
    554,284.02x = 277,975,511,167.82
  5. Step 5: Solve for x
    x = 277,975,511,167.82/554,284.02
  6. Step 6: Final answer
    x = 501,503.74

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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.