Home / 366,547.79-505,827.75-213,576.47

Finding the Fourth Proportional to 366,547.79, 505,827.75 and 213,576.47

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Solution

The fourth proportional to 366,547.79, 505,827.75 and 213,576.47 is: 294,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,547.79 : 505,827.75 = 213,576.47 : x
  2. Step 2: Convert to fraction form
    366,547.79/505,827.75 = 213,576.47/x
  3. Step 3: Cross multiply
    366,547.79x = 505,827.75 × 213,576.47
  4. Step 4: Simplify right side
    366,547.79x = 108,032,905,273.04
  5. Step 5: Solve for x
    x = 108,032,905,273.04/366,547.79
  6. Step 6: Final answer
    x = 294,730.75

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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.