Home / 1,273,769.95-1,756,329.82-1,015,444.92

Finding the Fourth Proportional to 1,273,769.95, 1,756,329.82 and 1,015,444.92

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Solution

The fourth proportional to 1,273,769.95, 1,756,329.82 and 1,015,444.92 is: 1,400,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,769.95 : 1,756,329.82 = 1,015,444.92 : x
  2. Step 2: Convert to fraction form
    1,273,769.95/1,756,329.82 = 1,015,444.92/x
  3. Step 3: Cross multiply
    1,273,769.95x = 1,756,329.82 × 1,015,444.92
  4. Step 4: Simplify right side
    1,273,769.95x = 1,783,456,193,563.51
  5. Step 5: Solve for x
    x = 1,783,456,193,563.51/1,273,769.95
  6. Step 6: Final answer
    x = 1,400,139.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.