Home / 418,556.36-577,627.53-237,271.81

Finding the Fourth Proportional to 418,556.36, 577,627.53 and 237,271.81

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Solution

The fourth proportional to 418,556.36, 577,627.53 and 237,271.81 is: 327,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,556.36 : 577,627.53 = 237,271.81 : x
  2. Step 2: Convert to fraction form
    418,556.36/577,627.53 = 237,271.81/x
  3. Step 3: Cross multiply
    418,556.36x = 577,627.53 × 237,271.81
  4. Step 4: Simplify right side
    418,556.36x = 137,054,725,474.43
  5. Step 5: Solve for x
    x = 137,054,725,474.43/418,556.36
  6. Step 6: Final answer
    x = 327,446.29

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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.