Home / 468,403.37-646,398.27-253,543.38

Finding the Fourth Proportional to 468,403.37, 646,398.27 and 253,543.38

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Solution

The fourth proportional to 468,403.37, 646,398.27 and 253,543.38 is: 349,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,403.37 : 646,398.27 = 253,543.38 : x
  2. Step 2: Convert to fraction form
    468,403.37/646,398.27 = 253,543.38/x
  3. Step 3: Cross multiply
    468,403.37x = 646,398.27 × 253,543.38
  4. Step 4: Simplify right side
    468,403.37x = 163,890,002,201.95
  5. Step 5: Solve for x
    x = 163,890,002,201.95/468,403.37
  6. Step 6: Final answer
    x = 349,890.74

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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.