Home / 557,407.26-769,226.04-302,758.56

Finding the Fourth Proportional to 557,407.26, 769,226.04 and 302,758.56

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Solution

The fourth proportional to 557,407.26, 769,226.04 and 302,758.56 is: 417,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,407.26 : 769,226.04 = 302,758.56 : x
  2. Step 2: Convert to fraction form
    557,407.26/769,226.04 = 302,758.56/x
  3. Step 3: Cross multiply
    557,407.26x = 769,226.04 × 302,758.56
  4. Step 4: Simplify right side
    557,407.26x = 232,889,768,184.90
  5. Step 5: Solve for x
    x = 232,889,768,184.90/557,407.26
  6. Step 6: Final answer
    x = 417,809.00

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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.