Home / 751,041-1,122,438.15-549,062.31

Finding the Fourth Proportional to 751,041, 1,122,438.15 and 549,062.31

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Solution

The fourth proportional to 751,041, 1,122,438.15 and 549,062.31 is: 820,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,041 : 1,122,438.15 = 549,062.31 : x
  2. Step 2: Convert to fraction form
    751,041/1,122,438.15 = 549,062.31/x
  3. Step 3: Cross multiply
    751,041x = 1,122,438.15 × 549,062.31
  4. Step 4: Simplify right side
    751,041x = 616,288,483,471.13
  5. Step 5: Solve for x
    x = 616,288,483,471.13/751,041
  6. Step 6: Final answer
    x = 820,579.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.