Home / 447,939.68-618,156.78-246,735.68

Finding the Fourth Proportional to 447,939.68, 618,156.78 and 246,735.68

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Solution

The fourth proportional to 447,939.68, 618,156.78 and 246,735.68 is: 340,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,939.68 : 618,156.78 = 246,735.68 : x
  2. Step 2: Convert to fraction form
    447,939.68/618,156.78 = 246,735.68/x
  3. Step 3: Cross multiply
    447,939.68x = 618,156.78 × 246,735.68
  4. Step 4: Simplify right side
    447,939.68x = 152,521,333,459.91
  5. Step 5: Solve for x
    x = 152,521,333,459.91/447,939.68
  6. Step 6: Final answer
    x = 340,495.25

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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.