Home / 719,646.82-993,171.04-413,822.61

Finding the Fourth Proportional to 719,646.82, 993,171.04 and 413,822.61

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Solution

The fourth proportional to 719,646.82, 993,171.04 and 413,822.61 is: 571,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,646.82 : 993,171.04 = 413,822.61 : x
  2. Step 2: Convert to fraction form
    719,646.82/993,171.04 = 413,822.61/x
  3. Step 3: Cross multiply
    719,646.82x = 993,171.04 × 413,822.61
  4. Step 4: Simplify right side
    719,646.82x = 410,996,630,914.66
  5. Step 5: Solve for x
    x = 410,996,630,914.66/719,646.82
  6. Step 6: Final answer
    x = 571,108.80

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1.5x scale

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.