Home / 1,257,929.00-1,895,295.81-1,138,139.51

Finding the Fourth Proportional to 1,257,929.00, 1,895,295.81 and 1,138,139.51

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Solution

The fourth proportional to 1,257,929.00, 1,895,295.81 and 1,138,139.51 is: 1,714,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,929.00 : 1,895,295.81 = 1,138,139.51 : x
  2. Step 2: Convert to fraction form
    1,257,929.00/1,895,295.81 = 1,138,139.51/x
  3. Step 3: Cross multiply
    1,257,929.00x = 1,895,295.81 × 1,138,139.51
  4. Step 4: Simplify right side
    1,257,929.00x = 2,157,111,039,290.00
  5. Step 5: Solve for x
    x = 2,157,111,039,290.00/1,257,929.00
  6. Step 6: Final answer
    x = 1,714,811.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.