Home / 619,623.94-929,225.40-214,721.68

Finding the Fourth Proportional to 619,623.94, 929,225.40 and 214,721.68

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Solution

The fourth proportional to 619,623.94, 929,225.40 and 214,721.68 is: 322,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,623.94 : 929,225.40 = 214,721.68 : x
  2. Step 2: Convert to fraction form
    619,623.94/929,225.40 = 214,721.68/x
  3. Step 3: Cross multiply
    619,623.94x = 929,225.40 × 214,721.68
  4. Step 4: Simplify right side
    619,623.94x = 199,524,838,986.67
  5. Step 5: Solve for x
    x = 199,524,838,986.67/619,623.94
  6. Step 6: Final answer
    x = 322,009.57

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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.