Home / 808,926.47-1,116,309.75-446,365.61

Finding the Fourth Proportional to 808,926.47, 1,116,309.75 and 446,365.61

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Solution

The fourth proportional to 808,926.47, 1,116,309.75 and 446,365.61 is: 615,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,926.47 : 1,116,309.75 = 446,365.61 : x
  2. Step 2: Convert to fraction form
    808,926.47/1,116,309.75 = 446,365.61/x
  3. Step 3: Cross multiply
    808,926.47x = 1,116,309.75 × 446,365.61
  4. Step 4: Simplify right side
    808,926.47x = 498,282,282,507.70
  5. Step 5: Solve for x
    x = 498,282,282,507.70/808,926.47
  6. Step 6: Final answer
    x = 615,979.70

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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.