Home / 779,595.75-1,169,393.67-188,619.75

Finding the Fourth Proportional to 779,595.75, 1,169,393.67 and 188,619.75

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Solution

The fourth proportional to 779,595.75, 1,169,393.67 and 188,619.75 is: 282,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,595.75 : 1,169,393.67 = 188,619.75 : x
  2. Step 2: Convert to fraction form
    779,595.75/1,169,393.67 = 188,619.75/x
  3. Step 3: Cross multiply
    779,595.75x = 1,169,393.67 × 188,619.75
  4. Step 4: Simplify right side
    779,595.75x = 220,570,741,686.98
  5. Step 5: Solve for x
    x = 220,570,741,686.98/779,595.75
  6. Step 6: Final answer
    x = 282,929.64

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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.