Home / 1,869,086.28-2,803,589.10-521,212.92

Finding the Fourth Proportional to 1,869,086.28, 2,803,589.10 and 521,212.92

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Solution

The fourth proportional to 1,869,086.28, 2,803,589.10 and 521,212.92 is: 781,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,086.28 : 2,803,589.10 = 521,212.92 : x
  2. Step 2: Convert to fraction form
    1,869,086.28/2,803,589.10 = 521,212.92/x
  3. Step 3: Cross multiply
    1,869,086.28x = 2,803,589.10 × 521,212.92
  4. Step 4: Simplify right side
    1,869,086.28x = 1,461,266,861,291.17
  5. Step 5: Solve for x
    x = 1,461,266,861,291.17/1,869,086.28
  6. Step 6: Final answer
    x = 781,808.14

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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.