Home / 1,410,262.35-2,116,420.73-511,776.45

Finding the Fourth Proportional to 1,410,262.35, 2,116,420.73 and 511,776.45

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Solution

The fourth proportional to 1,410,262.35, 2,116,420.73 and 511,776.45 is: 768,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,262.35 : 2,116,420.73 = 511,776.45 : x
  2. Step 2: Convert to fraction form
    1,410,262.35/2,116,420.73 = 511,776.45/x
  3. Step 3: Cross multiply
    1,410,262.35x = 2,116,420.73 × 511,776.45
  4. Step 4: Simplify right side
    1,410,262.35x = 1,083,134,291,779.15
  5. Step 5: Solve for x
    x = 1,083,134,291,779.15/1,410,262.35
  6. Step 6: Final answer
    x = 768,037.45

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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.