Home / 1,237,863.70-1,856,780.16-339,304.60

Finding the Fourth Proportional to 1,237,863.70, 1,856,780.16 and 339,304.60

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Solution

The fourth proportional to 1,237,863.70, 1,856,780.16 and 339,304.60 is: 508,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,863.70 : 1,856,780.16 = 339,304.60 : x
  2. Step 2: Convert to fraction form
    1,237,863.70/1,856,780.16 = 339,304.60/x
  3. Step 3: Cross multiply
    1,237,863.70x = 1,856,780.16 × 339,304.60
  4. Step 4: Simplify right side
    1,237,863.70x = 630,014,049,476.74
  5. Step 5: Solve for x
    x = 630,014,049,476.74/1,237,863.70
  6. Step 6: Final answer
    x = 508,952.68

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1.5x scale

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.