Home / 828,934.80-1,243,402.20-735,622.80

Finding the Fourth Proportional to 828,934.80, 1,243,402.20 and 735,622.80

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Solution

The fourth proportional to 828,934.80, 1,243,402.20 and 735,622.80 is: 1,103,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,934.80 : 1,243,402.20 = 735,622.80 : x
  2. Step 2: Convert to fraction form
    828,934.80/1,243,402.20 = 735,622.80/x
  3. Step 3: Cross multiply
    828,934.80x = 1,243,402.20 × 735,622.80
  4. Step 4: Simplify right side
    828,934.80x = 914,675,007,890.16
  5. Step 5: Solve for x
    x = 914,675,007,890.16/828,934.80
  6. Step 6: Final answer
    x = 1,103,434.20

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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.