Home / 587,523.04-810,786.64-319,251.04

Finding the Fourth Proportional to 587,523.04, 810,786.64 and 319,251.04

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Solution

The fourth proportional to 587,523.04, 810,786.64 and 319,251.04 is: 440,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,523.04 : 810,786.64 = 319,251.04 : x
  2. Step 2: Convert to fraction form
    587,523.04/810,786.64 = 319,251.04/x
  3. Step 3: Cross multiply
    587,523.04x = 810,786.64 × 319,251.04
  4. Step 4: Simplify right side
    587,523.04x = 258,844,478,038.11
  5. Step 5: Solve for x
    x = 258,844,478,038.11/587,523.04
  6. Step 6: Final answer
    x = 440,569.07

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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.