Home / 728,619.37-1,005,567.02-544,538.23

Finding the Fourth Proportional to 728,619.37, 1,005,567.02 and 544,538.23

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Solution

The fourth proportional to 728,619.37, 1,005,567.02 and 544,538.23 is: 751,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,619.37 : 1,005,567.02 = 544,538.23 : x
  2. Step 2: Convert to fraction form
    728,619.37/1,005,567.02 = 544,538.23/x
  3. Step 3: Cross multiply
    728,619.37x = 1,005,567.02 × 544,538.23
  4. Step 4: Simplify right side
    728,619.37x = 547,569,685,217.18
  5. Step 5: Solve for x
    x = 547,569,685,217.18/728,619.37
  6. Step 6: Final answer
    x = 751,516.78

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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.