Home / 464,713.63-641,713.75-290,582.26

Finding the Fourth Proportional to 464,713.63, 641,713.75 and 290,582.26

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Solution

The fourth proportional to 464,713.63, 641,713.75 and 290,582.26 is: 401,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,713.63 : 641,713.75 = 290,582.26 : x
  2. Step 2: Convert to fraction form
    464,713.63/641,713.75 = 290,582.26/x
  3. Step 3: Cross multiply
    464,713.63x = 641,713.75 × 290,582.26
  4. Step 4: Simplify right side
    464,713.63x = 186,470,629,417.34
  5. Step 5: Solve for x
    x = 186,470,629,417.34/464,713.63
  6. Step 6: Final answer
    x = 401,259.22

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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.