Home / 1,673,780.52-2,310,929.28-1,285,905

Finding the Fourth Proportional to 1,673,780.52, 2,310,929.28 and 1,285,905

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Solution

The fourth proportional to 1,673,780.52, 2,310,929.28 and 1,285,905 is: 1,775,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,780.52 : 2,310,929.28 = 1,285,905 : x
  2. Step 2: Convert to fraction form
    1,673,780.52/2,310,929.28 = 1,285,905/x
  3. Step 3: Cross multiply
    1,673,780.52x = 2,310,929.28 × 1,285,905
  4. Step 4: Simplify right side
    1,673,780.52x = 2,971,635,515,798.40
  5. Step 5: Solve for x
    x = 2,971,635,515,798.40/1,673,780.52
  6. Step 6: Final answer
    x = 1,775,403.33

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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.