Home / 447,005.20-669,924.60-180,547.60

Finding the Fourth Proportional to 447,005.20, 669,924.60 and 180,547.60

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Solution

The fourth proportional to 447,005.20, 669,924.60 and 180,547.60 is: 270,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,005.20 : 669,924.60 = 180,547.60 : x
  2. Step 2: Convert to fraction form
    447,005.20/669,924.60 = 180,547.60/x
  3. Step 3: Cross multiply
    447,005.20x = 669,924.60 × 180,547.60
  4. Step 4: Simplify right side
    447,005.20x = 120,953,278,710.96
  5. Step 5: Solve for x
    x = 120,953,278,710.96/447,005.20
  6. Step 6: Final answer
    x = 270,585.84

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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.