Home / 401,925.81-554,543.98-258,768.73

Finding the Fourth Proportional to 401,925.81, 554,543.98 and 258,768.73

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Solution

The fourth proportional to 401,925.81, 554,543.98 and 258,768.73 is: 357,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,925.81 : 554,543.98 = 258,768.73 : x
  2. Step 2: Convert to fraction form
    401,925.81/554,543.98 = 258,768.73/x
  3. Step 3: Cross multiply
    401,925.81x = 554,543.98 × 258,768.73
  4. Step 4: Simplify right side
    401,925.81x = 143,498,641,433.75
  5. Step 5: Solve for x
    x = 143,498,641,433.75/401,925.81
  6. Step 6: Final answer
    x = 357,027.68

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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.