Home / 1,237,709.74-1,856,590.52-396,259.06

Finding the Fourth Proportional to 1,237,709.74, 1,856,590.52 and 396,259.06

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Solution

The fourth proportional to 1,237,709.74, 1,856,590.52 and 396,259.06 is: 594,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,709.74 : 1,856,590.52 = 396,259.06 : x
  2. Step 2: Convert to fraction form
    1,237,709.74/1,856,590.52 = 396,259.06/x
  3. Step 3: Cross multiply
    1,237,709.74x = 1,856,590.52 × 396,259.06
  4. Step 4: Simplify right side
    1,237,709.74x = 735,690,814,260.11
  5. Step 5: Solve for x
    x = 735,690,814,260.11/1,237,709.74
  6. Step 6: Final answer
    x = 594,396.89

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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.