Home / 809,009.15-1,214,291.33-410,100.35

Finding the Fourth Proportional to 809,009.15, 1,214,291.33 and 410,100.35

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Solution

The fourth proportional to 809,009.15, 1,214,291.33 and 410,100.35 is: 615,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,009.15 : 1,214,291.33 = 410,100.35 : x
  2. Step 2: Convert to fraction form
    809,009.15/1,214,291.33 = 410,100.35/x
  3. Step 3: Cross multiply
    809,009.15x = 1,214,291.33 × 410,100.35
  4. Step 4: Simplify right side
    809,009.15x = 497,981,297,384.46
  5. Step 5: Solve for x
    x = 497,981,297,384.46/809,009.15
  6. Step 6: Final answer
    x = 615,544.70

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1.5x scale

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.