Home / 1,257,698.83-1,883,798.70-972,639.79

Finding the Fourth Proportional to 1,257,698.83, 1,883,798.70 and 972,639.79

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Solution

The fourth proportional to 1,257,698.83, 1,883,798.70 and 972,639.79 is: 1,456,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,698.83 : 1,883,798.70 = 972,639.79 : x
  2. Step 2: Convert to fraction form
    1,257,698.83/1,883,798.70 = 972,639.79/x
  3. Step 3: Cross multiply
    1,257,698.83x = 1,883,798.70 × 972,639.79
  4. Step 4: Simplify right side
    1,257,698.83x = 1,832,257,571,970.27
  5. Step 5: Solve for x
    x = 1,832,257,571,970.27/1,257,698.83
  6. Step 6: Final answer
    x = 1,456,833.33

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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.