Home / 835,405.90-1,152,861.45-453,432.85

Finding the Fourth Proportional to 835,405.90, 1,152,861.45 and 453,432.85

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Solution

The fourth proportional to 835,405.90, 1,152,861.45 and 453,432.85 is: 625,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,405.90 : 1,152,861.45 = 453,432.85 : x
  2. Step 2: Convert to fraction form
    835,405.90/1,152,861.45 = 453,432.85/x
  3. Step 3: Cross multiply
    835,405.90x = 1,152,861.45 × 453,432.85
  4. Step 4: Simplify right side
    835,405.90x = 522,745,252,928.63
  5. Step 5: Solve for x
    x = 522,745,252,928.63/835,405.90
  6. Step 6: Final answer
    x = 625,738.04

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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.