Home / 401,058.75-553,461.09-222,210.75

Finding the Fourth Proportional to 401,058.75, 553,461.09 and 222,210.75

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Solution

The fourth proportional to 401,058.75, 553,461.09 and 222,210.75 is: 306,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,058.75 : 553,461.09 = 222,210.75 : x
  2. Step 2: Convert to fraction form
    401,058.75/553,461.09 = 222,210.75/x
  3. Step 3: Cross multiply
    401,058.75x = 553,461.09 × 222,210.75
  4. Step 4: Simplify right side
    401,058.75x = 122,985,003,904.72
  5. Step 5: Solve for x
    x = 122,985,003,904.72/401,058.75
  6. Step 6: Final answer
    x = 306,650.84

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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.