Home / 1,676,548.09-2,514,845.72-478,470.55

Finding the Fourth Proportional to 1,676,548.09, 2,514,845.72 and 478,470.55

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Solution

The fourth proportional to 1,676,548.09, 2,514,845.72 and 478,470.55 is: 717,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,548.09 : 2,514,845.72 = 478,470.55 : x
  2. Step 2: Convert to fraction form
    1,676,548.09/2,514,845.72 = 478,470.55/x
  3. Step 3: Cross multiply
    1,676,548.09x = 2,514,845.72 × 478,470.55
  4. Step 4: Simplify right side
    1,676,548.09x = 1,203,279,614,813.55
  5. Step 5: Solve for x
    x = 1,203,279,614,813.55/1,676,548.09
  6. Step 6: Final answer
    x = 717,712.56

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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.