Home / 464,713.80-641,714.00-290,582.43

Finding the Fourth Proportional to 464,713.80, 641,714.00 and 290,582.43

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Solution

The fourth proportional to 464,713.80, 641,714.00 and 290,582.43 is: 401,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,713.80 : 641,714.00 = 290,582.43 : x
  2. Step 2: Convert to fraction form
    464,713.80/641,714.00 = 290,582.43/x
  3. Step 3: Cross multiply
    464,713.80x = 641,714.00 × 290,582.43
  4. Step 4: Simplify right side
    464,713.80x = 186,470,812,032.11
  5. Step 5: Solve for x
    x = 186,470,812,032.11/464,713.80
  6. Step 6: Final answer
    x = 401,259.47

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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.