Home / 1,257,800.28-1,886,995.64-416,352

Finding the Fourth Proportional to 1,257,800.28, 1,886,995.64 and 416,352

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Solution

The fourth proportional to 1,257,800.28, 1,886,995.64 and 416,352 is: 624,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,800.28 : 1,886,995.64 = 416,352 : x
  2. Step 2: Convert to fraction form
    1,257,800.28/1,886,995.64 = 416,352/x
  3. Step 3: Cross multiply
    1,257,800.28x = 1,886,995.64 × 416,352
  4. Step 4: Simplify right side
    1,257,800.28x = 785,654,408,705.28
  5. Step 5: Solve for x
    x = 785,654,408,705.28/1,257,800.28
  6. Step 6: Final answer
    x = 624,625.72

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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.