Home / 1,512,484.43-2,087,281.31-824,213.00

Finding the Fourth Proportional to 1,512,484.43, 2,087,281.31 and 824,213.00

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Solution

The fourth proportional to 1,512,484.43, 2,087,281.31 and 824,213.00 is: 1,137,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,484.43 : 2,087,281.31 = 824,213.00 : x
  2. Step 2: Convert to fraction form
    1,512,484.43/2,087,281.31 = 824,213.00/x
  3. Step 3: Cross multiply
    1,512,484.43x = 2,087,281.31 × 824,213.00
  4. Step 4: Simplify right side
    1,512,484.43x = 1,720,364,375,801.56
  5. Step 5: Solve for x
    x = 1,720,364,375,801.56/1,512,484.43
  6. Step 6: Final answer
    x = 1,137,442.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.