Home / 514,108.77-709,369.27-323,011.44

Finding the Fourth Proportional to 514,108.77, 709,369.27 and 323,011.44

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Solution

The fourth proportional to 514,108.77, 709,369.27 and 323,011.44 is: 445,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,108.77 : 709,369.27 = 323,011.44 : x
  2. Step 2: Convert to fraction form
    514,108.77/709,369.27 = 323,011.44/x
  3. Step 3: Cross multiply
    514,108.77x = 709,369.27 × 323,011.44
  4. Step 4: Simplify right side
    514,108.77x = 229,134,389,394.45
  5. Step 5: Solve for x
    x = 229,134,389,394.45/514,108.77
  6. Step 6: Final answer
    x = 445,692.43

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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.