Home / 843,391.10-1,163,878.26-461,416.98

Finding the Fourth Proportional to 843,391.10, 1,163,878.26 and 461,416.98

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Solution

The fourth proportional to 843,391.10, 1,163,878.26 and 461,416.98 is: 636,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,391.10 : 1,163,878.26 = 461,416.98 : x
  2. Step 2: Convert to fraction form
    843,391.10/1,163,878.26 = 461,416.98/x
  3. Step 3: Cross multiply
    843,391.10x = 1,163,878.26 × 461,416.98
  4. Step 4: Simplify right side
    843,391.10x = 537,033,191,816.86
  5. Step 5: Solve for x
    x = 537,033,191,816.86/843,391.10
  6. Step 6: Final answer
    x = 636,754.63

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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.