Home / 401,298.08-553,776.64-220,006.02

Finding the Fourth Proportional to 401,298.08, 553,776.64 and 220,006.02

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Solution

The fourth proportional to 401,298.08, 553,776.64 and 220,006.02 is: 303,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,298.08 : 553,776.64 = 220,006.02 : x
  2. Step 2: Convert to fraction form
    401,298.08/553,776.64 = 220,006.02/x
  3. Step 3: Cross multiply
    401,298.08x = 553,776.64 × 220,006.02
  4. Step 4: Simplify right side
    401,298.08x = 121,834,196,062.02
  5. Step 5: Solve for x
    x = 121,834,196,062.02/401,298.08
  6. Step 6: Final answer
    x = 303,600.25

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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.