Home / 461,941.80-693,143.10-262,415.40

Finding the Fourth Proportional to 461,941.80, 693,143.10 and 262,415.40

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Solution

The fourth proportional to 461,941.80, 693,143.10 and 262,415.40 is: 393,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,941.80 : 693,143.10 = 262,415.40 : x
  2. Step 2: Convert to fraction form
    461,941.80/693,143.10 = 262,415.40/x
  3. Step 3: Cross multiply
    461,941.80x = 693,143.10 × 262,415.40
  4. Step 4: Simplify right side
    461,941.80x = 181,891,423,843.74
  5. Step 5: Solve for x
    x = 181,891,423,843.74/461,941.80
  6. Step 6: Final answer
    x = 393,753.98

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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.