Home / 695,388.58-1,041,729.66-512,686.60

Finding the Fourth Proportional to 695,388.58, 1,041,729.66 and 512,686.60

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Solution

The fourth proportional to 695,388.58, 1,041,729.66 and 512,686.60 is: 768,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,388.58 : 1,041,729.66 = 512,686.60 : x
  2. Step 2: Convert to fraction form
    695,388.58/1,041,729.66 = 512,686.60/x
  3. Step 3: Cross multiply
    695,388.58x = 1,041,729.66 × 512,686.60
  4. Step 4: Simplify right side
    695,388.58x = 534,080,834,900.23
  5. Step 5: Solve for x
    x = 534,080,834,900.23/695,388.58
  6. Step 6: Final answer
    x = 768,032.22

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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.