Home / 468,915.55-646,867.52-307,748.23

Finding the Fourth Proportional to 468,915.55, 646,867.52 and 307,748.23

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Solution

The fourth proportional to 468,915.55, 646,867.52 and 307,748.23 is: 424,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,915.55 : 646,867.52 = 307,748.23 : x
  2. Step 2: Convert to fraction form
    468,915.55/646,867.52 = 307,748.23/x
  3. Step 3: Cross multiply
    468,915.55x = 646,867.52 × 307,748.23
  4. Step 4: Simplify right side
    468,915.55x = 199,072,332,322.64
  5. Step 5: Solve for x
    x = 199,072,332,322.64/468,915.55
  6. Step 6: Final answer
    x = 424,537.71

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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.