Home / 346,327.40-519,491.10-198,461.80

Finding the Fourth Proportional to 346,327.40, 519,491.10 and 198,461.80

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Solution

The fourth proportional to 346,327.40, 519,491.10 and 198,461.80 is: 297,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,327.40 : 519,491.10 = 198,461.80 : x
  2. Step 2: Convert to fraction form
    346,327.40/519,491.10 = 198,461.80/x
  3. Step 3: Cross multiply
    346,327.40x = 519,491.10 × 198,461.80
  4. Step 4: Simplify right side
    346,327.40x = 103,099,138,789.98
  5. Step 5: Solve for x
    x = 103,099,138,789.98/346,327.40
  6. Step 6: Final answer
    x = 297,692.70

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1.5x scale

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.