Home / 1,923,710.40-2,884,885.20-661,244.40

Finding the Fourth Proportional to 1,923,710.40, 2,884,885.20 and 661,244.40

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Solution

The fourth proportional to 1,923,710.40, 2,884,885.20 and 661,244.40 is: 991,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,710.40 : 2,884,885.20 = 661,244.40 : x
  2. Step 2: Convert to fraction form
    1,923,710.40/2,884,885.20 = 661,244.40/x
  3. Step 3: Cross multiply
    1,923,710.40x = 2,884,885.20 × 661,244.40
  4. Step 4: Simplify right side
    1,923,710.40x = 1,907,614,183,142.88
  5. Step 5: Solve for x
    x = 1,907,614,183,142.88/1,923,710.40
  6. Step 6: Final answer
    x = 991,632.72

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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.