Home / 843,420.88-1,163,937.62-461,455.86

Finding the Fourth Proportional to 843,420.88, 1,163,937.62 and 461,455.86

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Solution

The fourth proportional to 843,420.88, 1,163,937.62 and 461,455.86 is: 636,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,420.88 : 1,163,937.62 = 461,455.86 : x
  2. Step 2: Convert to fraction form
    843,420.88/1,163,937.62 = 461,455.86/x
  3. Step 3: Cross multiply
    843,420.88x = 1,163,937.62 × 461,455.86
  4. Step 4: Simplify right side
    843,420.88x = 537,105,835,423.45
  5. Step 5: Solve for x
    x = 537,105,835,423.45/843,420.88
  6. Step 6: Final answer
    x = 636,818.28

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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.