Home / 651,623.20-976,657.20-335,917.60

Finding the Fourth Proportional to 651,623.20, 976,657.20 and 335,917.60

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Solution

The fourth proportional to 651,623.20, 976,657.20 and 335,917.60 is: 503,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,623.20 : 976,657.20 = 335,917.60 : x
  2. Step 2: Convert to fraction form
    651,623.20/976,657.20 = 335,917.60/x
  3. Step 3: Cross multiply
    651,623.20x = 976,657.20 × 335,917.60
  4. Step 4: Simplify right side
    651,623.20x = 328,076,342,646.72
  5. Step 5: Solve for x
    x = 328,076,342,646.72/651,623.20
  6. Step 6: Final answer
    x = 503,475.54

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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.