Home / 464,895.48-640,827.90-303,669.84

Finding the Fourth Proportional to 464,895.48, 640,827.90 and 303,669.84

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Solution

The fourth proportional to 464,895.48, 640,827.90 and 303,669.84 is: 418,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,895.48 : 640,827.90 = 303,669.84 : x
  2. Step 2: Convert to fraction form
    464,895.48/640,827.90 = 303,669.84/x
  3. Step 3: Cross multiply
    464,895.48x = 640,827.90 × 303,669.84
  4. Step 4: Simplify right side
    464,895.48x = 194,600,105,860.54
  5. Step 5: Solve for x
    x = 194,600,105,860.54/464,895.48
  6. Step 6: Final answer
    x = 418,588.94

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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.