Home / 638,056.04-880,556.66-351,576.08

Finding the Fourth Proportional to 638,056.04, 880,556.66 and 351,576.08

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Solution

The fourth proportional to 638,056.04, 880,556.66 and 351,576.08 is: 485,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,056.04 : 880,556.66 = 351,576.08 : x
  2. Step 2: Convert to fraction form
    638,056.04/880,556.66 = 351,576.08/x
  3. Step 3: Cross multiply
    638,056.04x = 880,556.66 × 351,576.08
  4. Step 4: Simplify right side
    638,056.04x = 309,582,658,740.69
  5. Step 5: Solve for x
    x = 309,582,658,740.69/638,056.04
  6. Step 6: Final answer
    x = 485,196.66

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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.