Home / 651,125.68-976,831.23-218,827.65

Finding the Fourth Proportional to 651,125.68, 976,831.23 and 218,827.65

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Solution

The fourth proportional to 651,125.68, 976,831.23 and 218,827.65 is: 328,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,125.68 : 976,831.23 = 218,827.65 : x
  2. Step 2: Convert to fraction form
    651,125.68/976,831.23 = 218,827.65/x
  3. Step 3: Cross multiply
    651,125.68x = 976,831.23 × 218,827.65
  4. Step 4: Simplify right side
    651,125.68x = 213,757,677,623.35
  5. Step 5: Solve for x
    x = 213,757,677,623.35/651,125.68
  6. Step 6: Final answer
    x = 328,289.43

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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.