Home / 316,837.26-437,623.86-256,476.06

Finding the Fourth Proportional to 316,837.26, 437,623.86 and 256,476.06

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Solution

The fourth proportional to 316,837.26, 437,623.86 and 256,476.06 is: 354,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,837.26 : 437,623.86 = 256,476.06 : x
  2. Step 2: Convert to fraction form
    316,837.26/437,623.86 = 256,476.06/x
  3. Step 3: Cross multiply
    316,837.26x = 437,623.86 × 256,476.06
  4. Step 4: Simplify right side
    316,837.26x = 112,240,043,374.79
  5. Step 5: Solve for x
    x = 112,240,043,374.79/316,837.26
  6. Step 6: Final answer
    x = 354,251.40

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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.