Home / 777,624.75-1,166,437.14-186,648.75

Finding the Fourth Proportional to 777,624.75, 1,166,437.14 and 186,648.75

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Solution

The fourth proportional to 777,624.75, 1,166,437.14 and 186,648.75 is: 279,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,624.75 : 1,166,437.14 = 186,648.75 : x
  2. Step 2: Convert to fraction form
    777,624.75/1,166,437.14 = 186,648.75/x
  3. Step 3: Cross multiply
    777,624.75x = 1,166,437.14 × 186,648.75
  4. Step 4: Simplify right side
    777,624.75x = 217,714,034,134.58
  5. Step 5: Solve for x
    x = 217,714,034,134.58/777,624.75
  6. Step 6: Final answer
    x = 279,973.13

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1.5x scale

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.