Home / 693,653.12-1,040,479.56-195,017.12

Finding the Fourth Proportional to 693,653.12, 1,040,479.56 and 195,017.12

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Solution

The fourth proportional to 693,653.12, 1,040,479.56 and 195,017.12 is: 292,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,653.12 : 1,040,479.56 = 195,017.12 : x
  2. Step 2: Convert to fraction form
    693,653.12/1,040,479.56 = 195,017.12/x
  3. Step 3: Cross multiply
    693,653.12x = 1,040,479.56 × 195,017.12
  4. Step 4: Simplify right side
    693,653.12x = 202,911,327,210.07
  5. Step 5: Solve for x
    x = 202,911,327,210.07/693,653.12
  6. Step 6: Final answer
    x = 292,525.65

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Similar ratio
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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.