Home / 1,435,543.75-1,981,095.24-823,808.41

Finding the Fourth Proportional to 1,435,543.75, 1,981,095.24 and 823,808.41

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Solution

The fourth proportional to 1,435,543.75, 1,981,095.24 and 823,808.41 is: 1,136,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,543.75 : 1,981,095.24 = 823,808.41 : x
  2. Step 2: Convert to fraction form
    1,435,543.75/1,981,095.24 = 823,808.41/x
  3. Step 3: Cross multiply
    1,435,543.75x = 1,981,095.24 × 823,808.41
  4. Step 4: Simplify right side
    1,435,543.75x = 1,632,042,909,817.49
  5. Step 5: Solve for x
    x = 1,632,042,909,817.49/1,435,543.75
  6. Step 6: Final answer
    x = 1,136,881.35

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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.