Home / 459,944.24-690,031.14-160,429.12

Finding the Fourth Proportional to 459,944.24, 690,031.14 and 160,429.12

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Solution

The fourth proportional to 459,944.24, 690,031.14 and 160,429.12 is: 240,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,944.24 : 690,031.14 = 160,429.12 : x
  2. Step 2: Convert to fraction form
    459,944.24/690,031.14 = 160,429.12/x
  3. Step 3: Cross multiply
    459,944.24x = 690,031.14 × 160,429.12
  4. Step 4: Simplify right side
    459,944.24x = 110,701,088,562.80
  5. Step 5: Solve for x
    x = 110,701,088,562.80/459,944.24
  6. Step 6: Final answer
    x = 240,683.72

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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.