Home / 964,109.14-1,330,468.32-528,525.72

Finding the Fourth Proportional to 964,109.14, 1,330,468.32 and 528,525.72

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Solution

The fourth proportional to 964,109.14, 1,330,468.32 and 528,525.72 is: 729,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,109.14 : 1,330,468.32 = 528,525.72 : x
  2. Step 2: Convert to fraction form
    964,109.14/1,330,468.32 = 528,525.72/x
  3. Step 3: Cross multiply
    964,109.14x = 1,330,468.32 × 528,525.72
  4. Step 4: Simplify right side
    964,109.14x = 703,186,726,765.19
  5. Step 5: Solve for x
    x = 703,186,726,765.19/964,109.14
  6. Step 6: Final answer
    x = 729,364.24

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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.