Home / 436,364.96-654,547.44-120,821.84

Finding the Fourth Proportional to 436,364.96, 654,547.44 and 120,821.84

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Solution

The fourth proportional to 436,364.96, 654,547.44 and 120,821.84 is: 181,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,364.96 : 654,547.44 = 120,821.84 : x
  2. Step 2: Convert to fraction form
    436,364.96/654,547.44 = 120,821.84/x
  3. Step 3: Cross multiply
    436,364.96x = 654,547.44 × 120,821.84
  4. Step 4: Simplify right side
    436,364.96x = 79,083,626,068.09
  5. Step 5: Solve for x
    x = 79,083,626,068.09/436,364.96
  6. Step 6: Final answer
    x = 181,232.76

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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.