Home / 753,011.76-1,039,163.50-413,487.30

Finding the Fourth Proportional to 753,011.76, 1,039,163.50 and 413,487.30

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Solution

The fourth proportional to 753,011.76, 1,039,163.50 and 413,487.30 is: 570,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,011.76 : 1,039,163.50 = 413,487.30 : x
  2. Step 2: Convert to fraction form
    753,011.76/1,039,163.50 = 413,487.30/x
  3. Step 3: Cross multiply
    753,011.76x = 1,039,163.50 × 413,487.30
  4. Step 4: Simplify right side
    753,011.76x = 429,680,909,873.55
  5. Step 5: Solve for x
    x = 429,680,909,873.55/753,011.76
  6. Step 6: Final answer
    x = 570,616.47

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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.