Home / 456,578.17-630,331.26-275,336.02

Finding the Fourth Proportional to 456,578.17, 630,331.26 and 275,336.02

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Solution

The fourth proportional to 456,578.17, 630,331.26 and 275,336.02 is: 380,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,578.17 : 630,331.26 = 275,336.02 : x
  2. Step 2: Convert to fraction form
    456,578.17/630,331.26 = 275,336.02/x
  3. Step 3: Cross multiply
    456,578.17x = 630,331.26 × 275,336.02
  4. Step 4: Simplify right side
    456,578.17x = 173,552,897,258.33
  5. Step 5: Solve for x
    x = 173,552,897,258.33/456,578.17
  6. Step 6: Final answer
    x = 380,116.51

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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.