Home / 468,530.40-646,564.08-253,668.72

Finding the Fourth Proportional to 468,530.40, 646,564.08 and 253,668.72

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Solution

The fourth proportional to 468,530.40, 646,564.08 and 253,668.72 is: 350,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,530.40 : 646,564.08 = 253,668.72 : x
  2. Step 2: Convert to fraction form
    468,530.40/646,564.08 = 253,668.72/x
  3. Step 3: Cross multiply
    468,530.40x = 646,564.08 × 253,668.72
  4. Step 4: Simplify right side
    468,530.40x = 164,013,082,571.58
  5. Step 5: Solve for x
    x = 164,013,082,571.58/468,530.40
  6. Step 6: Final answer
    x = 350,058.57

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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.