Home / 590,766.24-814,929.13-387,145.61

Finding the Fourth Proportional to 590,766.24, 814,929.13 and 387,145.61

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Solution

The fourth proportional to 590,766.24, 814,929.13 and 387,145.61 is: 534,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,766.24 : 814,929.13 = 387,145.61 : x
  2. Step 2: Convert to fraction form
    590,766.24/814,929.13 = 387,145.61/x
  3. Step 3: Cross multiply
    590,766.24x = 814,929.13 × 387,145.61
  4. Step 4: Simplify right side
    590,766.24x = 315,496,235,140.62
  5. Step 5: Solve for x
    x = 315,496,235,140.62/590,766.24
  6. Step 6: Final answer
    x = 534,045.81

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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.