Home / 1,257,414.76-1,886,122.76-415,966.52

Finding the Fourth Proportional to 1,257,414.76, 1,886,122.76 and 415,966.52

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Solution

The fourth proportional to 1,257,414.76, 1,886,122.76 and 415,966.52 is: 623,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,414.76 : 1,886,122.76 = 415,966.52 : x
  2. Step 2: Convert to fraction form
    1,257,414.76/1,886,122.76 = 415,966.52/x
  3. Step 3: Cross multiply
    1,257,414.76x = 1,886,122.76 × 415,966.52
  4. Step 4: Simplify right side
    1,257,414.76x = 784,563,920,770.00
  5. Step 5: Solve for x
    x = 784,563,920,770.00/1,257,414.76
  6. Step 6: Final answer
    x = 623,949.99

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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.