Home / 733,857.80-1,012,834.50-447,543.98

Finding the Fourth Proportional to 733,857.80, 1,012,834.50 and 447,543.98

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Solution

The fourth proportional to 733,857.80, 1,012,834.50 and 447,543.98 is: 617,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,857.80 : 1,012,834.50 = 447,543.98 : x
  2. Step 2: Convert to fraction form
    733,857.80/1,012,834.50 = 447,543.98/x
  3. Step 3: Cross multiply
    733,857.80x = 1,012,834.50 × 447,543.98
  4. Step 4: Simplify right side
    733,857.80x = 453,287,983,211.31
  5. Step 5: Solve for x
    x = 453,287,983,211.31/733,857.80
  6. Step 6: Final answer
    x = 617,678.22

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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.