Home / 857,182.01-1,285,843.01-430,498.37

Finding the Fourth Proportional to 857,182.01, 1,285,843.01 and 430,498.37

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Solution

The fourth proportional to 857,182.01, 1,285,843.01 and 430,498.37 is: 645,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,182.01 : 1,285,843.01 = 430,498.37 : x
  2. Step 2: Convert to fraction form
    857,182.01/1,285,843.01 = 430,498.37/x
  3. Step 3: Cross multiply
    857,182.01x = 1,285,843.01 × 430,498.37
  4. Step 4: Simplify right side
    857,182.01x = 553,553,311,299.19
  5. Step 5: Solve for x
    x = 553,553,311,299.19/857,182.01
  6. Step 6: Final answer
    x = 645,782.70

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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.