Home / 891,811.02-1,230,617.43-529,172.22

Finding the Fourth Proportional to 891,811.02, 1,230,617.43 and 529,172.22

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Solution

The fourth proportional to 891,811.02, 1,230,617.43 and 529,172.22 is: 730,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,811.02 : 1,230,617.43 = 529,172.22 : x
  2. Step 2: Convert to fraction form
    891,811.02/1,230,617.43 = 529,172.22/x
  3. Step 3: Cross multiply
    891,811.02x = 1,230,617.43 × 529,172.22
  4. Step 4: Simplify right side
    891,811.02x = 651,208,557,403.80
  5. Step 5: Solve for x
    x = 651,208,557,403.80/891,811.02
  6. Step 6: Final answer
    x = 730,209.14

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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.