Home / 459,857.95-634,599.39-255,905.38

Finding the Fourth Proportional to 459,857.95, 634,599.39 and 255,905.38

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Solution

The fourth proportional to 459,857.95, 634,599.39 and 255,905.38 is: 353,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,857.95 : 634,599.39 = 255,905.38 : x
  2. Step 2: Convert to fraction form
    459,857.95/634,599.39 = 255,905.38/x
  3. Step 3: Cross multiply
    459,857.95x = 634,599.39 × 255,905.38
  4. Step 4: Simplify right side
    459,857.95x = 162,397,398,045.72
  5. Step 5: Solve for x
    x = 162,397,398,045.72/459,857.95
  6. Step 6: Final answer
    x = 353,146.88

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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.