Home / 403,618.95-556,996.98-231,544.43

Finding the Fourth Proportional to 403,618.95, 556,996.98 and 231,544.43

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Solution

The fourth proportional to 403,618.95, 556,996.98 and 231,544.43 is: 319,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,618.95 : 556,996.98 = 231,544.43 : x
  2. Step 2: Convert to fraction form
    403,618.95/556,996.98 = 231,544.43/x
  3. Step 3: Cross multiply
    403,618.95x = 556,996.98 × 231,544.43
  4. Step 4: Simplify right side
    403,618.95x = 128,969,545,460.84
  5. Step 5: Solve for x
    x = 128,969,545,460.84/403,618.95
  6. Step 6: Final answer
    x = 319,532.93

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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.