Home / 446,150.38-616,898.55-438,939.49

Finding the Fourth Proportional to 446,150.38, 616,898.55 and 438,939.49

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Solution

The fourth proportional to 446,150.38, 616,898.55 and 438,939.49 is: 606,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,150.38 : 616,898.55 = 438,939.49 : x
  2. Step 2: Convert to fraction form
    446,150.38/616,898.55 = 438,939.49/x
  3. Step 3: Cross multiply
    446,150.38x = 616,898.55 × 438,939.49
  4. Step 4: Simplify right side
    446,150.38x = 270,781,134,918.74
  5. Step 5: Solve for x
    x = 270,781,134,918.74/446,150.38
  6. Step 6: Final answer
    x = 606,927.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.