Home / 463,784.12-698,835.23-381,389.84

Finding the Fourth Proportional to 463,784.12, 698,835.23 and 381,389.84

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Solution

The fourth proportional to 463,784.12, 698,835.23 and 381,389.84 is: 574,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,784.12 : 698,835.23 = 381,389.84 : x
  2. Step 2: Convert to fraction form
    463,784.12/698,835.23 = 381,389.84/x
  3. Step 3: Cross multiply
    463,784.12x = 698,835.23 × 381,389.84
  4. Step 4: Simplify right side
    463,784.12x = 266,528,656,556.06
  5. Step 5: Solve for x
    x = 266,528,656,556.06/463,784.12
  6. Step 6: Final answer
    x = 574,682.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.