Home / 403,006.83-556,228.89-231,040.23

Finding the Fourth Proportional to 403,006.83, 556,228.89 and 231,040.23

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Solution

The fourth proportional to 403,006.83, 556,228.89 and 231,040.23 is: 318,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,006.83 : 556,228.89 = 231,040.23 : x
  2. Step 2: Convert to fraction form
    403,006.83/556,228.89 = 231,040.23/x
  3. Step 3: Cross multiply
    403,006.83x = 556,228.89 × 231,040.23
  4. Step 4: Simplify right side
    403,006.83x = 128,511,250,678.25
  5. Step 5: Solve for x
    x = 128,511,250,678.25/403,006.83
  6. Step 6: Final answer
    x = 318,881.07

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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.