Home / 1,391,124.58-1,929,573.55-1,354,251.76

Finding the Fourth Proportional to 1,391,124.58, 1,929,573.55 and 1,354,251.76

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Solution

The fourth proportional to 1,391,124.58, 1,929,573.55 and 1,354,251.76 is: 1,878,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,124.58 : 1,929,573.55 = 1,354,251.76 : x
  2. Step 2: Convert to fraction form
    1,391,124.58/1,929,573.55 = 1,354,251.76/x
  3. Step 3: Cross multiply
    1,391,124.58x = 1,929,573.55 × 1,354,251.76
  4. Step 4: Simplify right side
    1,391,124.58x = 2,613,128,365,388.16
  5. Step 5: Solve for x
    x = 2,613,128,365,388.16/1,391,124.58
  6. Step 6: Final answer
    x = 1,878,428.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.