Home / 459,981.33-634,774.28-256,027.86

Finding the Fourth Proportional to 459,981.33, 634,774.28 and 256,027.86

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Solution

The fourth proportional to 459,981.33, 634,774.28 and 256,027.86 is: 353,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,981.33 : 634,774.28 = 256,027.86 : x
  2. Step 2: Convert to fraction form
    459,981.33/634,774.28 = 256,027.86/x
  3. Step 3: Cross multiply
    459,981.33x = 634,774.28 × 256,027.86
  4. Step 4: Simplify right side
    459,981.33x = 162,519,899,211.30
  5. Step 5: Solve for x
    x = 162,519,899,211.30/459,981.33
  6. Step 6: Final answer
    x = 353,318.47

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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.