Home / 855,091.19-1,179,511.76-564,705.43

Finding the Fourth Proportional to 855,091.19, 1,179,511.76 and 564,705.43

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Solution

The fourth proportional to 855,091.19, 1,179,511.76 and 564,705.43 is: 778,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,091.19 : 1,179,511.76 = 564,705.43 : x
  2. Step 2: Convert to fraction form
    855,091.19/1,179,511.76 = 564,705.43/x
  3. Step 3: Cross multiply
    855,091.19x = 1,179,511.76 × 564,705.43
  4. Step 4: Simplify right side
    855,091.19x = 666,076,695,620.86
  5. Step 5: Solve for x
    x = 666,076,695,620.86/855,091.19
  6. Step 6: Final answer
    x = 778,953.99

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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.