Home / 334,431.53-461,898.77-220,220.72

Finding the Fourth Proportional to 334,431.53, 461,898.77 and 220,220.72

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Solution

The fourth proportional to 334,431.53, 461,898.77 and 220,220.72 is: 304,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,431.53 : 461,898.77 = 220,220.72 : x
  2. Step 2: Convert to fraction form
    334,431.53/461,898.77 = 220,220.72/x
  3. Step 3: Cross multiply
    334,431.53x = 461,898.77 × 220,220.72
  4. Step 4: Simplify right side
    334,431.53x = 101,719,679,696.51
  5. Step 5: Solve for x
    x = 101,719,679,696.51/334,431.53
  6. Step 6: Final answer
    x = 304,156.97

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1.5x scale

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.