Home / 1,273,777.59-1,909,091.73-642,346.95

Finding the Fourth Proportional to 1,273,777.59, 1,909,091.73 and 642,346.95

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Solution

The fourth proportional to 1,273,777.59, 1,909,091.73 and 642,346.95 is: 962,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,777.59 : 1,909,091.73 = 642,346.95 : x
  2. Step 2: Convert to fraction form
    1,273,777.59/1,909,091.73 = 642,346.95/x
  3. Step 3: Cross multiply
    1,273,777.59x = 1,909,091.73 × 642,346.95
  4. Step 4: Simplify right side
    1,273,777.59x = 1,226,299,250,035.72
  5. Step 5: Solve for x
    x = 1,226,299,250,035.72/1,273,777.59
  6. Step 6: Final answer
    x = 962,726.35

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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.