Home / 964,999.38-1,331,858.81-535,417.91

Finding the Fourth Proportional to 964,999.38, 1,331,858.81 and 535,417.91

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Solution

The fourth proportional to 964,999.38, 1,331,858.81 and 535,417.91 is: 738,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,999.38 : 1,331,858.81 = 535,417.91 : x
  2. Step 2: Convert to fraction form
    964,999.38/1,331,858.81 = 535,417.91/x
  3. Step 3: Cross multiply
    964,999.38x = 1,331,858.81 × 535,417.91
  4. Step 4: Simplify right side
    964,999.38x = 713,101,060,139.01
  5. Step 5: Solve for x
    x = 713,101,060,139.01/964,999.38
  6. Step 6: Final answer
    x = 738,965.30

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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.