Home / 557,450.23-769,265.04-302,800.81

Finding the Fourth Proportional to 557,450.23, 769,265.04 and 302,800.81

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Solution

The fourth proportional to 557,450.23, 769,265.04 and 302,800.81 is: 417,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,450.23 : 769,265.04 = 302,800.81 : x
  2. Step 2: Convert to fraction form
    557,450.23/769,265.04 = 302,800.81/x
  3. Step 3: Cross multiply
    557,450.23x = 769,265.04 × 302,800.81
  4. Step 4: Simplify right side
    557,450.23x = 232,934,077,216.68
  5. Step 5: Solve for x
    x = 232,934,077,216.68/557,450.23
  6. Step 6: Final answer
    x = 417,856.28

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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.