Home / 401,036.59-553,430.61-219,747.04

Finding the Fourth Proportional to 401,036.59, 553,430.61 and 219,747.04

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Solution

The fourth proportional to 401,036.59, 553,430.61 and 219,747.04 is: 303,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,036.59 : 553,430.61 = 219,747.04 : x
  2. Step 2: Convert to fraction form
    401,036.59/553,430.61 = 219,747.04/x
  3. Step 3: Cross multiply
    401,036.59x = 553,430.61 × 219,747.04
  4. Step 4: Simplify right side
    401,036.59x = 121,614,738,392.89
  5. Step 5: Solve for x
    x = 121,614,738,392.89/401,036.59
  6. Step 6: Final answer
    x = 303,250.98

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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.