Home / 1,621,780.60-2,433,882.66-611,898.52

Finding the Fourth Proportional to 1,621,780.60, 2,433,882.66 and 611,898.52

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Solution

The fourth proportional to 1,621,780.60, 2,433,882.66 and 611,898.52 is: 918,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,780.60 : 2,433,882.66 = 611,898.52 : x
  2. Step 2: Convert to fraction form
    1,621,780.60/2,433,882.66 = 611,898.52/x
  3. Step 3: Cross multiply
    1,621,780.60x = 2,433,882.66 × 611,898.52
  4. Step 4: Simplify right side
    1,621,780.60x = 1,489,289,197,507.66
  5. Step 5: Solve for x
    x = 1,489,289,197,507.66/1,621,780.60
  6. Step 6: Final answer
    x = 918,304.98

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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.