Home / 436,647.40-602,524.66-245,656.70

Finding the Fourth Proportional to 436,647.40, 602,524.66 and 245,656.70

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Solution

The fourth proportional to 436,647.40, 602,524.66 and 245,656.70 is: 338,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,647.40 : 602,524.66 = 245,656.70 : x
  2. Step 2: Convert to fraction form
    436,647.40/602,524.66 = 245,656.70/x
  3. Step 3: Cross multiply
    436,647.40x = 602,524.66 × 245,656.70
  4. Step 4: Simplify right side
    436,647.40x = 148,014,219,644.22
  5. Step 5: Solve for x
    x = 148,014,219,644.22/436,647.40
  6. Step 6: Final answer
    x = 338,978.82

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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.