Home / 1,257,400.95-1,886,102.03-415,952.70

Finding the Fourth Proportional to 1,257,400.95, 1,886,102.03 and 415,952.70

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Solution

The fourth proportional to 1,257,400.95, 1,886,102.03 and 415,952.70 is: 623,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,400.95 : 1,886,102.03 = 415,952.70 : x
  2. Step 2: Convert to fraction form
    1,257,400.95/1,886,102.03 = 415,952.70/x
  3. Step 3: Cross multiply
    1,257,400.95x = 1,886,102.03 × 415,952.70
  4. Step 4: Simplify right side
    1,257,400.95x = 784,529,227,138.73
  5. Step 5: Solve for x
    x = 784,529,227,138.73/1,257,400.95
  6. Step 6: Final answer
    x = 623,929.25

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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.