Home / 403,535.96-556,858.10-231,444.98

Finding the Fourth Proportional to 403,535.96, 556,858.10 and 231,444.98

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Solution

The fourth proportional to 403,535.96, 556,858.10 and 231,444.98 is: 319,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,535.96 : 556,858.10 = 231,444.98 : x
  2. Step 2: Convert to fraction form
    403,535.96/556,858.10 = 231,444.98/x
  3. Step 3: Cross multiply
    403,535.96x = 556,858.10 × 231,444.98
  4. Step 4: Simplify right side
    403,535.96x = 128,882,010,660.11
  5. Step 5: Solve for x
    x = 128,882,010,660.11/403,535.96
  6. Step 6: Final answer
    x = 319,381.72

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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.