Home / 1,269,306.48-1,905,826-522,810.48

Finding the Fourth Proportional to 1,269,306.48, 1,905,826 and 522,810.48

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Solution

The fourth proportional to 1,269,306.48, 1,905,826 and 522,810.48 is: 784,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,306.48 : 1,905,826 = 522,810.48 : x
  2. Step 2: Convert to fraction form
    1,269,306.48/1,905,826 = 522,810.48/x
  3. Step 3: Cross multiply
    1,269,306.48x = 1,905,826 × 522,810.48
  4. Step 4: Simplify right side
    1,269,306.48x = 996,385,805,856.48
  5. Step 5: Solve for x
    x = 996,385,805,856.48/1,269,306.48
  6. Step 6: Final answer
    x = 784,984.42

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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.