Home / 852,343.86-1,176,676.74-622,643.28

Finding the Fourth Proportional to 852,343.86, 1,176,676.74 and 622,643.28

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Solution

The fourth proportional to 852,343.86, 1,176,676.74 and 622,643.28 is: 859,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,343.86 : 1,176,676.74 = 622,643.28 : x
  2. Step 2: Convert to fraction form
    852,343.86/1,176,676.74 = 622,643.28/x
  3. Step 3: Cross multiply
    852,343.86x = 1,176,676.74 × 622,643.28
  4. Step 4: Simplify right side
    852,343.86x = 732,649,864,893.31
  5. Step 5: Solve for x
    x = 732,649,864,893.31/852,343.86
  6. Step 6: Final answer
    x = 859,570.77

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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.