Home / 1,545,718.56-2,132,939.16-857,378.40

Finding the Fourth Proportional to 1,545,718.56, 2,132,939.16 and 857,378.40

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Solution

The fourth proportional to 1,545,718.56, 2,132,939.16 and 857,378.40 is: 1,183,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,718.56 : 2,132,939.16 = 857,378.40 : x
  2. Step 2: Convert to fraction form
    1,545,718.56/2,132,939.16 = 857,378.40/x
  3. Step 3: Cross multiply
    1,545,718.56x = 2,132,939.16 × 857,378.40
  4. Step 4: Simplify right side
    1,545,718.56x = 1,828,735,964,298.14
  5. Step 5: Solve for x
    x = 1,828,735,964,298.14/1,545,718.56
  6. Step 6: Final answer
    x = 1,183,097.63

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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.