Home / 747,156.22-1,031,072.04-407,624.50

Finding the Fourth Proportional to 747,156.22, 1,031,072.04 and 407,624.50

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Solution

The fourth proportional to 747,156.22, 1,031,072.04 and 407,624.50 is: 562,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,156.22 : 1,031,072.04 = 407,624.50 : x
  2. Step 2: Convert to fraction form
    747,156.22/1,031,072.04 = 407,624.50/x
  3. Step 3: Cross multiply
    747,156.22x = 1,031,072.04 × 407,624.50
  4. Step 4: Simplify right side
    747,156.22x = 420,290,224,768.98
  5. Step 5: Solve for x
    x = 420,290,224,768.98/747,156.22
  6. Step 6: Final answer
    x = 562,519.88

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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.