Home / 1,257,117.12-1,734,788.31-684,145.02

Finding the Fourth Proportional to 1,257,117.12, 1,734,788.31 and 684,145.02

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Solution

The fourth proportional to 1,257,117.12, 1,734,788.31 and 684,145.02 is: 944,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,117.12 : 1,734,788.31 = 684,145.02 : x
  2. Step 2: Convert to fraction form
    1,257,117.12/1,734,788.31 = 684,145.02/x
  3. Step 3: Cross multiply
    1,257,117.12x = 1,734,788.31 × 684,145.02
  4. Step 4: Simplify right side
    1,257,117.12x = 1,186,846,783,040.72
  5. Step 5: Solve for x
    x = 1,186,846,783,040.72/1,257,117.12
  6. Step 6: Final answer
    x = 944,102.00

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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.