Home / 965,079.70-1,331,969.65-535,498.22

Finding the Fourth Proportional to 965,079.70, 1,331,969.65 and 535,498.22

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Solution

The fourth proportional to 965,079.70, 1,331,969.65 and 535,498.22 is: 739,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,079.70 : 1,331,969.65 = 535,498.22 : x
  2. Step 2: Convert to fraction form
    965,079.70/1,331,969.65 = 535,498.22/x
  3. Step 3: Cross multiply
    965,079.70x = 1,331,969.65 × 535,498.22
  4. Step 4: Simplify right side
    965,079.70x = 713,267,378,660.20
  5. Step 5: Solve for x
    x = 713,267,378,660.20/965,079.70
  6. Step 6: Final answer
    x = 739,076.14

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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.