Home / 1,252,319.54-1,728,201.42-708,443.82

Finding the Fourth Proportional to 1,252,319.54, 1,728,201.42 and 708,443.82

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Solution

The fourth proportional to 1,252,319.54, 1,728,201.42 and 708,443.82 is: 977,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,319.54 : 1,728,201.42 = 708,443.82 : x
  2. Step 2: Convert to fraction form
    1,252,319.54/1,728,201.42 = 708,443.82/x
  3. Step 3: Cross multiply
    1,252,319.54x = 1,728,201.42 × 708,443.82
  4. Step 4: Simplify right side
    1,252,319.54x = 1,224,333,615,714.22
  5. Step 5: Solve for x
    x = 1,224,333,615,714.22/1,252,319.54
  6. Step 6: Final answer
    x = 977,652.73

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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.