Home / 1,145,941.23-1,581,398.55-629,728.41

Finding the Fourth Proportional to 1,145,941.23, 1,581,398.55 and 629,728.41

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Solution

The fourth proportional to 1,145,941.23, 1,581,398.55 and 629,728.41 is: 869,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,941.23 : 1,581,398.55 = 629,728.41 : x
  2. Step 2: Convert to fraction form
    1,145,941.23/1,581,398.55 = 629,728.41/x
  3. Step 3: Cross multiply
    1,145,941.23x = 1,581,398.55 × 629,728.41
  4. Step 4: Simplify right side
    1,145,941.23x = 995,851,594,467.81
  5. Step 5: Solve for x
    x = 995,851,594,467.81/1,145,941.23
  6. Step 6: Final answer
    x = 869,025.01

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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.