Home / 808,274.57-1,115,395.04-445,698.33

Finding the Fourth Proportional to 808,274.57, 1,115,395.04 and 445,698.33

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Solution

The fourth proportional to 808,274.57, 1,115,395.04 and 445,698.33 is: 615,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,274.57 : 1,115,395.04 = 445,698.33 : x
  2. Step 2: Convert to fraction form
    808,274.57/1,115,395.04 = 445,698.33/x
  3. Step 3: Cross multiply
    808,274.57x = 1,115,395.04 × 445,698.33
  4. Step 4: Simplify right side
    808,274.57x = 497,129,704,389.79
  5. Step 5: Solve for x
    x = 497,129,704,389.79/808,274.57
  6. Step 6: Final answer
    x = 615,050.54

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Double scale
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1.5x scale

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.