Home / 1,237,864.20-1,856,780.91-339,305.10

Finding the Fourth Proportional to 1,237,864.20, 1,856,780.91 and 339,305.10

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Solution

The fourth proportional to 1,237,864.20, 1,856,780.91 and 339,305.10 is: 508,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,864.20 : 1,856,780.91 = 339,305.10 : x
  2. Step 2: Convert to fraction form
    1,237,864.20/1,856,780.91 = 339,305.10/x
  3. Step 3: Cross multiply
    1,237,864.20x = 1,856,780.91 × 339,305.10
  4. Step 4: Simplify right side
    1,237,864.20x = 630,015,232,345.64
  5. Step 5: Solve for x
    x = 630,015,232,345.64/1,237,864.20
  6. Step 6: Final answer
    x = 508,953.43

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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.