Home / 459,934.22-690,016.15-160,419.11

Finding the Fourth Proportional to 459,934.22, 690,016.15 and 160,419.11

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Solution

The fourth proportional to 459,934.22, 690,016.15 and 160,419.11 is: 240,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,934.22 : 690,016.15 = 160,419.11 : x
  2. Step 2: Convert to fraction form
    459,934.22/690,016.15 = 160,419.11/x
  3. Step 3: Cross multiply
    459,934.22x = 690,016.15 × 160,419.11
  4. Step 4: Simplify right side
    459,934.22x = 110,691,773,419.07
  5. Step 5: Solve for x
    x = 110,691,773,419.07/459,934.22
  6. Step 6: Final answer
    x = 240,668.70

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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.