Home / 410,934.70-616,248.45-285,904.30

Finding the Fourth Proportional to 410,934.70, 616,248.45 and 285,904.30

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Solution

The fourth proportional to 410,934.70, 616,248.45 and 285,904.30 is: 428,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,934.70 : 616,248.45 = 285,904.30 : x
  2. Step 2: Convert to fraction form
    410,934.70/616,248.45 = 285,904.30/x
  3. Step 3: Cross multiply
    410,934.70x = 616,248.45 × 285,904.30
  4. Step 4: Simplify right side
    410,934.70x = 176,188,081,723.34
  5. Step 5: Solve for x
    x = 176,188,081,723.34/410,934.70
  6. Step 6: Final answer
    x = 428,749.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.