Home / 964,112.16-1,330,472.46-528,528.72

Finding the Fourth Proportional to 964,112.16, 1,330,472.46 and 528,528.72

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Solution

The fourth proportional to 964,112.16, 1,330,472.46 and 528,528.72 is: 729,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,112.16 : 1,330,472.46 = 528,528.72 : x
  2. Step 2: Convert to fraction form
    964,112.16/1,330,472.46 = 528,528.72/x
  3. Step 3: Cross multiply
    964,112.16x = 1,330,472.46 × 528,528.72
  4. Step 4: Simplify right side
    964,112.16x = 703,192,906,279.05
  5. Step 5: Solve for x
    x = 703,192,906,279.05/964,112.16
  6. Step 6: Final answer
    x = 729,368.36

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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.