Home / 864,684.75-1,298,995.43-625,536.30

Finding the Fourth Proportional to 864,684.75, 1,298,995.43 and 625,536.30

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Solution

The fourth proportional to 864,684.75, 1,298,995.43 and 625,536.30 is: 939,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,684.75 : 1,298,995.43 = 625,536.30 : x
  2. Step 2: Convert to fraction form
    864,684.75/1,298,995.43 = 625,536.30/x
  3. Step 3: Cross multiply
    864,684.75x = 1,298,995.43 × 625,536.30
  4. Step 4: Simplify right side
    864,684.75x = 812,568,794,999.11
  5. Step 5: Solve for x
    x = 812,568,794,999.11/864,684.75
  6. Step 6: Final answer
    x = 939,728.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.