Home / 317,895.94-476,400.51-238,917.70

Finding the Fourth Proportional to 317,895.94, 476,400.51 and 238,917.70

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Solution

The fourth proportional to 317,895.94, 476,400.51 and 238,917.70 is: 358,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,895.94 : 476,400.51 = 238,917.70 : x
  2. Step 2: Convert to fraction form
    317,895.94/476,400.51 = 238,917.70/x
  3. Step 3: Cross multiply
    317,895.94x = 476,400.51 × 238,917.70
  4. Step 4: Simplify right side
    317,895.94x = 113,820,514,128.03
  5. Step 5: Solve for x
    x = 113,820,514,128.03/317,895.94
  6. Step 6: Final answer
    x = 358,043.31

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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.