Home / 959,427.18-1,323,948.24-551,431.80

Finding the Fourth Proportional to 959,427.18, 1,323,948.24 and 551,431.80

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Solution

The fourth proportional to 959,427.18, 1,323,948.24 and 551,431.80 is: 760,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,427.18 : 1,323,948.24 = 551,431.80 : x
  2. Step 2: Convert to fraction form
    959,427.18/1,323,948.24 = 551,431.80/x
  3. Step 3: Cross multiply
    959,427.18x = 1,323,948.24 × 551,431.80
  4. Step 4: Simplify right side
    959,427.18x = 730,067,161,090.03
  5. Step 5: Solve for x
    x = 730,067,161,090.03/959,427.18
  6. Step 6: Final answer
    x = 760,940.67

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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.