Home / 554,831.04-765,476.64-313,083.84

Finding the Fourth Proportional to 554,831.04, 765,476.64 and 313,083.84

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Solution

The fourth proportional to 554,831.04, 765,476.64 and 313,083.84 is: 431,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,831.04 : 765,476.64 = 313,083.84 : x
  2. Step 2: Convert to fraction form
    554,831.04/765,476.64 = 313,083.84/x
  3. Step 3: Cross multiply
    554,831.04x = 765,476.64 × 313,083.84
  4. Step 4: Simplify right side
    554,831.04x = 239,658,365,881.50
  5. Step 5: Solve for x
    x = 239,658,365,881.50/554,831.04
  6. Step 6: Final answer
    x = 431,948.37

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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.