Home / 459,986.93-634,789.15-256,040.07

Finding the Fourth Proportional to 459,986.93, 634,789.15 and 256,040.07

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Solution

The fourth proportional to 459,986.93, 634,789.15 and 256,040.07 is: 353,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,986.93 : 634,789.15 = 256,040.07 : x
  2. Step 2: Convert to fraction form
    459,986.93/634,789.15 = 256,040.07/x
  3. Step 3: Cross multiply
    459,986.93x = 634,789.15 × 256,040.07
  4. Step 4: Simplify right side
    459,986.93x = 162,531,457,761.14
  5. Step 5: Solve for x
    x = 162,531,457,761.14/459,986.93
  6. Step 6: Final answer
    x = 353,339.29

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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.