Home / 550,338.84-758,439.24-429,288.36

Finding the Fourth Proportional to 550,338.84, 758,439.24 and 429,288.36

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Solution

The fourth proportional to 550,338.84, 758,439.24 and 429,288.36 is: 591,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,338.84 : 758,439.24 = 429,288.36 : x
  2. Step 2: Convert to fraction form
    550,338.84/758,439.24 = 429,288.36/x
  3. Step 3: Cross multiply
    550,338.84x = 758,439.24 × 429,288.36
  4. Step 4: Simplify right side
    550,338.84x = 325,589,137,499.25
  5. Step 5: Solve for x
    x = 325,589,137,499.25/550,338.84
  6. Step 6: Final answer
    x = 591,615.77

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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.