Home / 436,785.36-602,717.40-245,795.64

Finding the Fourth Proportional to 436,785.36, 602,717.40 and 245,795.64

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Solution

The fourth proportional to 436,785.36, 602,717.40 and 245,795.64 is: 339,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,785.36 : 602,717.40 = 245,795.64 : x
  2. Step 2: Convert to fraction form
    436,785.36/602,717.40 = 245,795.64/x
  3. Step 3: Cross multiply
    436,785.36x = 602,717.40 × 245,795.64
  4. Step 4: Simplify right side
    436,785.36x = 148,145,309,072.14
  5. Step 5: Solve for x
    x = 148,145,309,072.14/436,785.36
  6. Step 6: Final answer
    x = 339,171.87

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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.