Home / 557,585.76-769,466.34-302,934.72

Finding the Fourth Proportional to 557,585.76, 769,466.34 and 302,934.72

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Solution

The fourth proportional to 557,585.76, 769,466.34 and 302,934.72 is: 418,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,585.76 : 769,466.34 = 302,934.72 : x
  2. Step 2: Convert to fraction form
    557,585.76/769,466.34 = 302,934.72/x
  3. Step 3: Cross multiply
    557,585.76x = 769,466.34 × 302,934.72
  4. Step 4: Simplify right side
    557,585.76x = 233,098,070,257.33
  5. Step 5: Solve for x
    x = 233,098,070,257.33/557,585.76
  6. Step 6: Final answer
    x = 418,048.82

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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.