Home / 1,449,659.61-2,174,320.50-384,784.38

Finding the Fourth Proportional to 1,449,659.61, 2,174,320.50 and 384,784.38

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Solution

The fourth proportional to 1,449,659.61, 2,174,320.50 and 384,784.38 is: 577,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,659.61 : 2,174,320.50 = 384,784.38 : x
  2. Step 2: Convert to fraction form
    1,449,659.61/2,174,320.50 = 384,784.38/x
  3. Step 3: Cross multiply
    1,449,659.61x = 2,174,320.50 × 384,784.38
  4. Step 4: Simplify right side
    1,449,659.61x = 836,644,565,513.79
  5. Step 5: Solve for x
    x = 836,644,565,513.79/1,449,659.61
  6. Step 6: Final answer
    x = 577,131.73

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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.