Home / 459,975.60-689,992.62-144,444.96

Finding the Fourth Proportional to 459,975.60, 689,992.62 and 144,444.96

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Solution

The fourth proportional to 459,975.60, 689,992.62 and 144,444.96 is: 216,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,975.60 : 689,992.62 = 144,444.96 : x
  2. Step 2: Convert to fraction form
    459,975.60/689,992.62 = 144,444.96/x
  3. Step 3: Cross multiply
    459,975.60x = 689,992.62 × 144,444.96
  4. Step 4: Simplify right side
    459,975.60x = 99,665,956,396.20
  5. Step 5: Solve for x
    x = 99,665,956,396.20/459,975.60
  6. Step 6: Final answer
    x = 216,676.62

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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.