Home / 1,286,680.53-1,775,831.71-713,905.23

Finding the Fourth Proportional to 1,286,680.53, 1,775,831.71 and 713,905.23

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Solution

The fourth proportional to 1,286,680.53, 1,775,831.71 and 713,905.23 is: 985,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,680.53 : 1,775,831.71 = 713,905.23 : x
  2. Step 2: Convert to fraction form
    1,286,680.53/1,775,831.71 = 713,905.23/x
  3. Step 3: Cross multiply
    1,286,680.53x = 1,775,831.71 × 713,905.23
  4. Step 4: Simplify right side
    1,286,680.53x = 1,267,775,545,368.84
  5. Step 5: Solve for x
    x = 1,267,775,545,368.84/1,286,680.53
  6. Step 6: Final answer
    x = 985,307.17

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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.