Home / 964,535.36-1,330,936.46-528,838.05

Finding the Fourth Proportional to 964,535.36, 1,330,936.46 and 528,838.05

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Solution

The fourth proportional to 964,535.36, 1,330,936.46 and 528,838.05 is: 729,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,535.36 : 1,330,936.46 = 528,838.05 : x
  2. Step 2: Convert to fraction form
    964,535.36/1,330,936.46 = 528,838.05/x
  3. Step 3: Cross multiply
    964,535.36x = 1,330,936.46 × 528,838.05
  4. Step 4: Simplify right side
    964,535.36x = 703,849,844,527.12
  5. Step 5: Solve for x
    x = 703,849,844,527.12/964,535.36
  6. Step 6: Final answer
    x = 729,729.44

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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.