Home / 999,460.22-1,379,255.34-563,970.02

Finding the Fourth Proportional to 999,460.22, 1,379,255.34 and 563,970.02

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Solution

The fourth proportional to 999,460.22, 1,379,255.34 and 563,970.02 is: 778,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,460.22 : 1,379,255.34 = 563,970.02 : x
  2. Step 2: Convert to fraction form
    999,460.22/1,379,255.34 = 563,970.02/x
  3. Step 3: Cross multiply
    999,460.22x = 1,379,255.34 × 563,970.02
  4. Step 4: Simplify right side
    999,460.22x = 777,858,654,788.63
  5. Step 5: Solve for x
    x = 777,858,654,788.63/999,460.22
  6. Step 6: Final answer
    x = 778,278.76

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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.