Home / 882,002.49-1,321,338.92-521,096.46

Finding the Fourth Proportional to 882,002.49, 1,321,338.92 and 521,096.46

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Solution

The fourth proportional to 882,002.49, 1,321,338.92 and 521,096.46 is: 780,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,002.49 : 1,321,338.92 = 521,096.46 : x
  2. Step 2: Convert to fraction form
    882,002.49/1,321,338.92 = 521,096.46/x
  3. Step 3: Cross multiply
    882,002.49x = 1,321,338.92 × 521,096.46
  4. Step 4: Simplify right side
    882,002.49x = 688,545,031,066.74
  5. Step 5: Solve for x
    x = 688,545,031,066.74/882,002.49
  6. Step 6: Final answer
    x = 780,661.10

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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.