Home / 719,849.22-993,261.87-413,853.90

Finding the Fourth Proportional to 719,849.22, 993,261.87 and 413,853.90

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Solution

The fourth proportional to 719,849.22, 993,261.87 and 413,853.90 is: 571,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,849.22 : 993,261.87 = 413,853.90 : x
  2. Step 2: Convert to fraction form
    719,849.22/993,261.87 = 413,853.90/x
  3. Step 3: Cross multiply
    719,849.22x = 993,261.87 × 413,853.90
  4. Step 4: Simplify right side
    719,849.22x = 411,065,298,620.79
  5. Step 5: Solve for x
    x = 411,065,298,620.79/719,849.22
  6. Step 6: Final answer
    x = 571,043.61

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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.