Home / 619,235.08-854,554.18-347,363.40

Finding the Fourth Proportional to 619,235.08, 854,554.18 and 347,363.40

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Solution

The fourth proportional to 619,235.08, 854,554.18 and 347,363.40 is: 479,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,235.08 : 854,554.18 = 347,363.40 : x
  2. Step 2: Convert to fraction form
    619,235.08/854,554.18 = 347,363.40/x
  3. Step 3: Cross multiply
    619,235.08x = 854,554.18 × 347,363.40
  4. Step 4: Simplify right side
    619,235.08x = 296,840,845,449.01
  5. Step 5: Solve for x
    x = 296,840,845,449.01/619,235.08
  6. Step 6: Final answer
    x = 479,366.97

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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.