Home / 869,352.36-1,200,300.09-543,162.00

Finding the Fourth Proportional to 869,352.36, 1,200,300.09 and 543,162.00

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Solution

The fourth proportional to 869,352.36, 1,200,300.09 and 543,162.00 is: 749,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,352.36 : 1,200,300.09 = 543,162.00 : x
  2. Step 2: Convert to fraction form
    869,352.36/1,200,300.09 = 543,162.00/x
  3. Step 3: Cross multiply
    869,352.36x = 1,200,300.09 × 543,162.00
  4. Step 4: Simplify right side
    869,352.36x = 651,957,395,037.22
  5. Step 5: Solve for x
    x = 651,957,395,037.22/869,352.36
  6. Step 6: Final answer
    x = 749,934.58

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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.