Home / 1,024,779.12-1,411,064.64-928,660.56

Finding the Fourth Proportional to 1,024,779.12, 1,411,064.64 and 928,660.56

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Solution

The fourth proportional to 1,024,779.12, 1,411,064.64 and 928,660.56 is: 1,278,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,779.12 : 1,411,064.64 = 928,660.56 : x
  2. Step 2: Convert to fraction form
    1,024,779.12/1,411,064.64 = 928,660.56/x
  3. Step 3: Cross multiply
    1,024,779.12x = 1,411,064.64 × 928,660.56
  4. Step 4: Simplify right side
    1,024,779.12x = 1,310,400,078,778.60
  5. Step 5: Solve for x
    x = 1,310,400,078,778.60/1,024,779.12
  6. Step 6: Final answer
    x = 1,278,714.65

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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.