Home / 751,840.46-1,127,887.05-372,779.90

Finding the Fourth Proportional to 751,840.46, 1,127,887.05 and 372,779.90

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Solution

The fourth proportional to 751,840.46, 1,127,887.05 and 372,779.90 is: 559,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,840.46 : 1,127,887.05 = 372,779.90 : x
  2. Step 2: Convert to fraction form
    751,840.46/1,127,887.05 = 372,779.90/x
  3. Step 3: Cross multiply
    751,840.46x = 1,127,887.05 × 372,779.90
  4. Step 4: Simplify right side
    751,840.46x = 420,453,625,927.94
  5. Step 5: Solve for x
    x = 420,453,625,927.94/751,840.46
  6. Step 6: Final answer
    x = 559,232.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.