Home / 446,458.18-616,117.89-242,512.51

Finding the Fourth Proportional to 446,458.18, 616,117.89 and 242,512.51

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Solution

The fourth proportional to 446,458.18, 616,117.89 and 242,512.51 is: 334,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,458.18 : 616,117.89 = 242,512.51 : x
  2. Step 2: Convert to fraction form
    446,458.18/616,117.89 = 242,512.51/x
  3. Step 3: Cross multiply
    446,458.18x = 616,117.89 × 242,512.51
  4. Step 4: Simplify right side
    446,458.18x = 149,416,295,959.80
  5. Step 5: Solve for x
    x = 149,416,295,959.80/446,458.18
  6. Step 6: Final answer
    x = 334,670.31

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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.