Home / 459,974.26-689,666.15-302,018.19

Finding the Fourth Proportional to 459,974.26, 689,666.15 and 302,018.19

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Solution

The fourth proportional to 459,974.26, 689,666.15 and 302,018.19 is: 452,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,974.26 : 689,666.15 = 302,018.19 : x
  2. Step 2: Convert to fraction form
    459,974.26/689,666.15 = 302,018.19/x
  3. Step 3: Cross multiply
    459,974.26x = 689,666.15 × 302,018.19
  4. Step 4: Simplify right side
    459,974.26x = 208,291,718,797.21
  5. Step 5: Solve for x
    x = 208,291,718,797.21/459,974.26
  6. Step 6: Final answer
    x = 452,833.42

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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.