Home / 403,612.92-556,985.79-233,945.46

Finding the Fourth Proportional to 403,612.92, 556,985.79 and 233,945.46

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Solution

The fourth proportional to 403,612.92, 556,985.79 and 233,945.46 is: 322,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,612.92 : 556,985.79 = 233,945.46 : x
  2. Step 2: Convert to fraction form
    403,612.92/556,985.79 = 233,945.46/x
  3. Step 3: Cross multiply
    403,612.92x = 556,985.79 × 233,945.46
  4. Step 4: Simplify right side
    403,612.92x = 130,304,296,855.01
  5. Step 5: Solve for x
    x = 130,304,296,855.01/403,612.92
  6. Step 6: Final answer
    x = 322,844.71

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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.