Home / 753,551.08-1,129,363.52-353,309.02

Finding the Fourth Proportional to 753,551.08, 1,129,363.52 and 353,309.02

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Solution

The fourth proportional to 753,551.08, 1,129,363.52 and 353,309.02 is: 529,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,551.08 : 1,129,363.52 = 353,309.02 : x
  2. Step 2: Convert to fraction form
    753,551.08/1,129,363.52 = 353,309.02/x
  3. Step 3: Cross multiply
    753,551.08x = 1,129,363.52 × 353,309.02
  4. Step 4: Simplify right side
    753,551.08x = 399,014,318,474.95
  5. Step 5: Solve for x
    x = 399,014,318,474.95/753,551.08
  6. Step 6: Final answer
    x = 529,511.97

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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.