Home / 757,525.86-1,046,771.51-720,623.88

Finding the Fourth Proportional to 757,525.86, 1,046,771.51 and 720,623.88

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Solution

The fourth proportional to 757,525.86, 1,046,771.51 and 720,623.88 is: 995,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,525.86 : 1,046,771.51 = 720,623.88 : x
  2. Step 2: Convert to fraction form
    757,525.86/1,046,771.51 = 720,623.88/x
  3. Step 3: Cross multiply
    757,525.86x = 1,046,771.51 × 720,623.88
  4. Step 4: Simplify right side
    757,525.86x = 754,328,543,406.54
  5. Step 5: Solve for x
    x = 754,328,543,406.54/757,525.86
  6. Step 6: Final answer
    x = 995,779.26

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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.