Home / 1,146,262.20-1,581,856.17-630,072.45

Finding the Fourth Proportional to 1,146,262.20, 1,581,856.17 and 630,072.45

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Solution

The fourth proportional to 1,146,262.20, 1,581,856.17 and 630,072.45 is: 869,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,262.20 : 1,581,856.17 = 630,072.45 : x
  2. Step 2: Convert to fraction form
    1,146,262.20/1,581,856.17 = 630,072.45/x
  3. Step 3: Cross multiply
    1,146,262.20x = 1,581,856.17 × 630,072.45
  4. Step 4: Simplify right side
    1,146,262.20x = 996,683,992,579.52
  5. Step 5: Solve for x
    x = 996,683,992,579.52/1,146,262.20
  6. Step 6: Final answer
    x = 869,507.86

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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.