Home / 808,366.41-1,115,530.92-445,823.91

Finding the Fourth Proportional to 808,366.41, 1,115,530.92 and 445,823.91

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Solution

The fourth proportional to 808,366.41, 1,115,530.92 and 445,823.91 is: 615,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,366.41 : 1,115,530.92 = 445,823.91 : x
  2. Step 2: Convert to fraction form
    808,366.41/1,115,530.92 = 445,823.91/x
  3. Step 3: Cross multiply
    808,366.41x = 1,115,530.92 × 445,823.91
  4. Step 4: Simplify right side
    808,366.41x = 497,330,356,480.30
  5. Step 5: Solve for x
    x = 497,330,356,480.30/808,366.41
  6. Step 6: Final answer
    x = 615,228.87

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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.