Home / 751,649.01-1,127,353.49-219,045.45

Finding the Fourth Proportional to 751,649.01, 1,127,353.49 and 219,045.45

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Solution

The fourth proportional to 751,649.01, 1,127,353.49 and 219,045.45 is: 328,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,649.01 : 1,127,353.49 = 219,045.45 : x
  2. Step 2: Convert to fraction form
    751,649.01/1,127,353.49 = 219,045.45/x
  3. Step 3: Cross multiply
    751,649.01x = 1,127,353.49 × 219,045.45
  4. Step 4: Simplify right side
    751,649.01x = 246,941,651,430.89
  5. Step 5: Solve for x
    x = 246,941,651,430.89/751,649.01
  6. Step 6: Final answer
    x = 328,533.20

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Double scale
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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.