Home / 436,818.12-602,709.30-245,761.80

Finding the Fourth Proportional to 436,818.12, 602,709.30 and 245,761.80

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Solution

The fourth proportional to 436,818.12, 602,709.30 and 245,761.80 is: 339,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,818.12 : 602,709.30 = 245,761.80 : x
  2. Step 2: Convert to fraction form
    436,818.12/602,709.30 = 245,761.80/x
  3. Step 3: Cross multiply
    436,818.12x = 602,709.30 × 245,761.80
  4. Step 4: Simplify right side
    436,818.12x = 148,122,922,444.74
  5. Step 5: Solve for x
    x = 148,122,922,444.74/436,818.12
  6. Step 6: Final answer
    x = 339,095.19

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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.