Home / 776,322.47-1,164,530.21-243,843.48

Finding the Fourth Proportional to 776,322.47, 1,164,530.21 and 243,843.48

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Solution

The fourth proportional to 776,322.47, 1,164,530.21 and 243,843.48 is: 365,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,322.47 : 1,164,530.21 = 243,843.48 : x
  2. Step 2: Convert to fraction form
    776,322.47/1,164,530.21 = 243,843.48/x
  3. Step 3: Cross multiply
    776,322.47x = 1,164,530.21 × 243,843.48
  4. Step 4: Simplify right side
    776,322.47x = 283,963,097,752.31
  5. Step 5: Solve for x
    x = 283,963,097,752.31/776,322.47
  6. Step 6: Final answer
    x = 365,779.83

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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.