Home / 621,556.58-931,205.91-284,877.38

Finding the Fourth Proportional to 621,556.58, 931,205.91 and 284,877.38

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Solution

The fourth proportional to 621,556.58, 931,205.91 and 284,877.38 is: 426,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,556.58 : 931,205.91 = 284,877.38 : x
  2. Step 2: Convert to fraction form
    621,556.58/931,205.91 = 284,877.38/x
  3. Step 3: Cross multiply
    621,556.58x = 931,205.91 × 284,877.38
  4. Step 4: Simplify right side
    621,556.58x = 265,279,499,881.32
  5. Step 5: Solve for x
    x = 265,279,499,881.32/621,556.58
  6. Step 6: Final answer
    x = 426,798.63

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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.