Home / 848,049.08-1,272,135.92-315,570.06

Finding the Fourth Proportional to 848,049.08, 1,272,135.92 and 315,570.06

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Solution

The fourth proportional to 848,049.08, 1,272,135.92 and 315,570.06 is: 473,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,049.08 : 1,272,135.92 = 315,570.06 : x
  2. Step 2: Convert to fraction form
    848,049.08/1,272,135.92 = 315,570.06/x
  3. Step 3: Cross multiply
    848,049.08x = 1,272,135.92 × 315,570.06
  4. Step 4: Simplify right side
    848,049.08x = 401,448,007,024.71
  5. Step 5: Solve for x
    x = 401,448,007,024.71/848,049.08
  6. Step 6: Final answer
    x = 473,378.27

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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.