Home / 964,999.26-1,331,858.64-535,417.78

Finding the Fourth Proportional to 964,999.26, 1,331,858.64 and 535,417.78

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Solution

The fourth proportional to 964,999.26, 1,331,858.64 and 535,417.78 is: 738,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,999.26 : 1,331,858.64 = 535,417.78 : x
  2. Step 2: Convert to fraction form
    964,999.26/1,331,858.64 = 535,417.78/x
  3. Step 3: Cross multiply
    964,999.26x = 1,331,858.64 × 535,417.78
  4. Step 4: Simplify right side
    964,999.26x = 713,100,796,302.62
  5. Step 5: Solve for x
    x = 713,100,796,302.62/964,999.26
  6. Step 6: Final answer
    x = 738,965.12

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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.