Home / 1,857,807.70-2,786,042.98-643,054.27

Finding the Fourth Proportional to 1,857,807.70, 2,786,042.98 and 643,054.27

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Solution

The fourth proportional to 1,857,807.70, 2,786,042.98 and 643,054.27 is: 964,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,807.70 : 2,786,042.98 = 643,054.27 : x
  2. Step 2: Convert to fraction form
    1,857,807.70/2,786,042.98 = 643,054.27/x
  3. Step 3: Cross multiply
    1,857,807.70x = 2,786,042.98 × 643,054.27
  4. Step 4: Simplify right side
    1,857,807.70x = 1,791,576,826,119.78
  5. Step 5: Solve for x
    x = 1,791,576,826,119.78/1,857,807.70
  6. Step 6: Final answer
    x = 964,349.99

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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.