Home / 1,098,116.57-1,646,879.61-387,953.93

Finding the Fourth Proportional to 1,098,116.57, 1,646,879.61 and 387,953.93

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Solution

The fourth proportional to 1,098,116.57, 1,646,879.61 and 387,953.93 is: 581,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,116.57 : 1,646,879.61 = 387,953.93 : x
  2. Step 2: Convert to fraction form
    1,098,116.57/1,646,879.61 = 387,953.93/x
  3. Step 3: Cross multiply
    1,098,116.57x = 1,646,879.61 × 387,953.93
  4. Step 4: Simplify right side
    1,098,116.57x = 638,913,416,936.37
  5. Step 5: Solve for x
    x = 638,913,416,936.37/1,098,116.57
  6. Step 6: Final answer
    x = 581,826.59

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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.