Home / 447,087.95-616,975.54-243,134.49

Finding the Fourth Proportional to 447,087.95, 616,975.54 and 243,134.49

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Solution

The fourth proportional to 447,087.95, 616,975.54 and 243,134.49 is: 335,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,087.95 : 616,975.54 = 243,134.49 : x
  2. Step 2: Convert to fraction form
    447,087.95/616,975.54 = 243,134.49/x
  3. Step 3: Cross multiply
    447,087.95x = 616,975.54 × 243,134.49
  4. Step 4: Simplify right side
    447,087.95x = 150,008,029,931.42
  5. Step 5: Solve for x
    x = 150,008,029,931.42/447,087.95
  6. Step 6: Final answer
    x = 335,522.41

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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.