Home / 965,037.20-1,331,910.80-535,455.72

Finding the Fourth Proportional to 965,037.20, 1,331,910.80 and 535,455.72

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Solution

The fourth proportional to 965,037.20, 1,331,910.80 and 535,455.72 is: 739,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,037.20 : 1,331,910.80 = 535,455.72 : x
  2. Step 2: Convert to fraction form
    965,037.20/1,331,910.80 = 535,455.72/x
  3. Step 3: Cross multiply
    965,037.20x = 1,331,910.80 × 535,455.72
  4. Step 4: Simplify right side
    965,037.20x = 713,179,256,389.78
  5. Step 5: Solve for x
    x = 713,179,256,389.78/965,037.20
  6. Step 6: Final answer
    x = 739,017.37

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1.5x scale

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.