Home / 756,366.40-1,043,834.96-434,180.80

Finding the Fourth Proportional to 756,366.40, 1,043,834.96 and 434,180.80

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Solution

The fourth proportional to 756,366.40, 1,043,834.96 and 434,180.80 is: 599,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,366.40 : 1,043,834.96 = 434,180.80 : x
  2. Step 2: Convert to fraction form
    756,366.40/1,043,834.96 = 434,180.80/x
  3. Step 3: Cross multiply
    756,366.40x = 1,043,834.96 × 434,180.80
  4. Step 4: Simplify right side
    756,366.40x = 453,213,098,000.77
  5. Step 5: Solve for x
    x = 453,213,098,000.77/756,366.40
  6. Step 6: Final answer
    x = 599,197.82

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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.