Home / 459,921.06-634,330.95-298,828.44

Finding the Fourth Proportional to 459,921.06, 634,330.95 and 298,828.44

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Solution

The fourth proportional to 459,921.06, 634,330.95 and 298,828.44 is: 412,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,921.06 : 634,330.95 = 298,828.44 : x
  2. Step 2: Convert to fraction form
    459,921.06/634,330.95 = 298,828.44/x
  3. Step 3: Cross multiply
    459,921.06x = 634,330.95 × 298,828.44
  4. Step 4: Simplify right side
    459,921.06x = 189,556,128,232.22
  5. Step 5: Solve for x
    x = 189,556,128,232.22/459,921.06
  6. Step 6: Final answer
    x = 412,149.27

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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.