Home / 395,623.08-594,215.10-339,918.12

Finding the Fourth Proportional to 395,623.08, 594,215.10 and 339,918.12

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Solution

The fourth proportional to 395,623.08, 594,215.10 and 339,918.12 is: 510,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,623.08 : 594,215.10 = 339,918.12 : x
  2. Step 2: Convert to fraction form
    395,623.08/594,215.10 = 339,918.12/x
  3. Step 3: Cross multiply
    395,623.08x = 594,215.10 × 339,918.12
  4. Step 4: Simplify right side
    395,623.08x = 201,984,479,667.61
  5. Step 5: Solve for x
    x = 201,984,479,667.61/395,623.08
  6. Step 6: Final answer
    x = 510,547.77

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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.