Home / 672,303.75-927,779.33-366,380.21

Finding the Fourth Proportional to 672,303.75, 927,779.33 and 366,380.21

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Solution

The fourth proportional to 672,303.75, 927,779.33 and 366,380.21 is: 505,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,303.75 : 927,779.33 = 366,380.21 : x
  2. Step 2: Convert to fraction form
    672,303.75/927,779.33 = 366,380.21/x
  3. Step 3: Cross multiply
    672,303.75x = 927,779.33 × 366,380.21
  4. Step 4: Simplify right side
    672,303.75x = 339,919,988,994.46
  5. Step 5: Solve for x
    x = 339,919,988,994.46/672,303.75
  6. Step 6: Final answer
    x = 505,604.78

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1.5x scale

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.