Home / 803,730.60-1,109,159.73-441,147.87

Finding the Fourth Proportional to 803,730.60, 1,109,159.73 and 441,147.87

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Solution

The fourth proportional to 803,730.60, 1,109,159.73 and 441,147.87 is: 608,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,730.60 : 1,109,159.73 = 441,147.87 : x
  2. Step 2: Convert to fraction form
    803,730.60/1,109,159.73 = 441,147.87/x
  3. Step 3: Cross multiply
    803,730.60x = 1,109,159.73 × 441,147.87
  4. Step 4: Simplify right side
    803,730.60x = 489,303,452,379.28
  5. Step 5: Solve for x
    x = 489,303,452,379.28/803,730.60
  6. Step 6: Final answer
    x = 608,790.37

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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.