Home / 839,506.95-1,259,506.53-270,975.78

Finding the Fourth Proportional to 839,506.95, 1,259,506.53 and 270,975.78

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Solution

The fourth proportional to 839,506.95, 1,259,506.53 and 270,975.78 is: 406,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,506.95 : 1,259,506.53 = 270,975.78 : x
  2. Step 2: Convert to fraction form
    839,506.95/1,259,506.53 = 270,975.78/x
  3. Step 3: Cross multiply
    839,506.95x = 1,259,506.53 × 270,975.78
  4. Step 4: Simplify right side
    839,506.95x = 341,295,764,381.84
  5. Step 5: Solve for x
    x = 341,295,764,381.84/839,506.95
  6. Step 6: Final answer
    x = 406,543.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.