Home / 919,841.27-1,379,656.77-245,975.10

Finding the Fourth Proportional to 919,841.27, 1,379,656.77 and 245,975.10

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Solution

The fourth proportional to 919,841.27, 1,379,656.77 and 245,975.10 is: 368,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,841.27 : 1,379,656.77 = 245,975.10 : x
  2. Step 2: Convert to fraction form
    919,841.27/1,379,656.77 = 245,975.10/x
  3. Step 3: Cross multiply
    919,841.27x = 1,379,656.77 × 245,975.10
  4. Step 4: Simplify right side
    919,841.27x = 339,361,211,966.43
  5. Step 5: Solve for x
    x = 339,361,211,966.43/919,841.27
  6. Step 6: Final answer
    x = 368,934.54

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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.