Home / 919,829.32-1,379,744.37-413,799.24

Finding the Fourth Proportional to 919,829.32, 1,379,744.37 and 413,799.24

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Solution

The fourth proportional to 919,829.32, 1,379,744.37 and 413,799.24 is: 620,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,829.32 : 1,379,744.37 = 413,799.24 : x
  2. Step 2: Convert to fraction form
    919,829.32/1,379,744.37 = 413,799.24/x
  3. Step 3: Cross multiply
    919,829.32x = 1,379,744.37 × 413,799.24
  4. Step 4: Simplify right side
    919,829.32x = 570,937,167,216.42
  5. Step 5: Solve for x
    x = 570,937,167,216.42/919,829.32
  6. Step 6: Final answer
    x = 620,699.03

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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.