Home / 447,934.95-618,144.93-243,985.23

Finding the Fourth Proportional to 447,934.95, 618,144.93 and 243,985.23

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Solution

The fourth proportional to 447,934.95, 618,144.93 and 243,985.23 is: 336,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,934.95 : 618,144.93 = 243,985.23 : x
  2. Step 2: Convert to fraction form
    447,934.95/618,144.93 = 243,985.23/x
  3. Step 3: Cross multiply
    447,934.95x = 618,144.93 × 243,985.23
  4. Step 4: Simplify right side
    447,934.95x = 150,818,232,919.38
  5. Step 5: Solve for x
    x = 150,818,232,919.38/447,934.95
  6. Step 6: Final answer
    x = 336,696.73

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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.