Home / 808,545.46-1,115,797.99-445,979.11

Finding the Fourth Proportional to 808,545.46, 1,115,797.99 and 445,979.11

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Solution

The fourth proportional to 808,545.46, 1,115,797.99 and 445,979.11 is: 615,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,545.46 : 1,115,797.99 = 445,979.11 : x
  2. Step 2: Convert to fraction form
    808,545.46/1,115,797.99 = 445,979.11/x
  3. Step 3: Cross multiply
    808,545.46x = 1,115,797.99 × 445,979.11
  4. Step 4: Simplify right side
    808,545.46x = 497,622,588,941.00
  5. Step 5: Solve for x
    x = 497,622,588,941.00/808,545.46
  6. Step 6: Final answer
    x = 615,454.07

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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.