Home / 1,577,628.10-2,177,299.76-915,485.82

Finding the Fourth Proportional to 1,577,628.10, 2,177,299.76 and 915,485.82

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Solution

The fourth proportional to 1,577,628.10, 2,177,299.76 and 915,485.82 is: 1,263,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,628.10 : 2,177,299.76 = 915,485.82 : x
  2. Step 2: Convert to fraction form
    1,577,628.10/2,177,299.76 = 915,485.82/x
  3. Step 3: Cross multiply
    1,577,628.10x = 2,177,299.76 × 915,485.82
  4. Step 4: Simplify right side
    1,577,628.10x = 1,993,287,056,169.40
  5. Step 5: Solve for x
    x = 1,993,287,056,169.40/1,577,628.10
  6. Step 6: Final answer
    x = 1,263,470.81

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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.