Home / 410,933.70-616,246.95-285,903.30

Finding the Fourth Proportional to 410,933.70, 616,246.95 and 285,903.30

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Solution

The fourth proportional to 410,933.70, 616,246.95 and 285,903.30 is: 428,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,933.70 : 616,246.95 = 285,903.30 : x
  2. Step 2: Convert to fraction form
    410,933.70/616,246.95 = 285,903.30/x
  3. Step 3: Cross multiply
    410,933.70x = 616,246.95 × 285,903.30
  4. Step 4: Simplify right side
    410,933.70x = 176,187,036,619.94
  5. Step 5: Solve for x
    x = 176,187,036,619.94/410,933.70
  6. Step 6: Final answer
    x = 428,748.08

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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.