Home / 557,268.85-769,030.77-302,619.97

Finding the Fourth Proportional to 557,268.85, 769,030.77 and 302,619.97

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Solution

The fourth proportional to 557,268.85, 769,030.77 and 302,619.97 is: 417,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,268.85 : 769,030.77 = 302,619.97 : x
  2. Step 2: Convert to fraction form
    557,268.85/769,030.77 = 302,619.97/x
  3. Step 3: Cross multiply
    557,268.85x = 769,030.77 × 302,619.97
  4. Step 4: Simplify right side
    557,268.85x = 232,724,068,546.48
  5. Step 5: Solve for x
    x = 232,724,068,546.48/557,268.85
  6. Step 6: Final answer
    x = 417,615.43

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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.