Home / 653,890.32-980,853.89-180,575.69

Finding the Fourth Proportional to 653,890.32, 980,853.89 and 180,575.69

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Solution

The fourth proportional to 653,890.32, 980,853.89 and 180,575.69 is: 270,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,890.32 : 980,853.89 = 180,575.69 : x
  2. Step 2: Convert to fraction form
    653,890.32/980,853.89 = 180,575.69/x
  3. Step 3: Cross multiply
    653,890.32x = 980,853.89 × 180,575.69
  4. Step 4: Simplify right side
    653,890.32x = 177,118,362,168.79
  5. Step 5: Solve for x
    x = 177,118,362,168.79/653,890.32
  6. Step 6: Final answer
    x = 270,868.61

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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.