Home / 438,946.01-605,794.67-247,971.69

Finding the Fourth Proportional to 438,946.01, 605,794.67 and 247,971.69

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Solution

The fourth proportional to 438,946.01, 605,794.67 and 247,971.69 is: 342,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,946.01 : 605,794.67 = 247,971.69 : x
  2. Step 2: Convert to fraction form
    438,946.01/605,794.67 = 247,971.69/x
  3. Step 3: Cross multiply
    438,946.01x = 605,794.67 × 247,971.69
  4. Step 4: Simplify right side
    438,946.01x = 150,219,926,873.03
  5. Step 5: Solve for x
    x = 150,219,926,873.03/438,946.01
  6. Step 6: Final answer
    x = 342,228.71

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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.