Home / 728,618.37-1,005,565.64-544,537.23

Finding the Fourth Proportional to 728,618.37, 1,005,565.64 and 544,537.23

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Solution

The fourth proportional to 728,618.37, 1,005,565.64 and 544,537.23 is: 751,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,618.37 : 1,005,565.64 = 544,537.23 : x
  2. Step 2: Convert to fraction form
    728,618.37/1,005,565.64 = 544,537.23/x
  3. Step 3: Cross multiply
    728,618.37x = 1,005,565.64 × 544,537.23
  4. Step 4: Simplify right side
    728,618.37x = 547,567,928,188.78
  5. Step 5: Solve for x
    x = 547,567,928,188.78/728,618.37
  6. Step 6: Final answer
    x = 751,515.40

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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.