Home / 751,430.78-1,124,485.48-467,255.16

Finding the Fourth Proportional to 751,430.78, 1,124,485.48 and 467,255.16

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Solution

The fourth proportional to 751,430.78, 1,124,485.48 and 467,255.16 is: 699,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,430.78 : 1,124,485.48 = 467,255.16 : x
  2. Step 2: Convert to fraction form
    751,430.78/1,124,485.48 = 467,255.16/x
  3. Step 3: Cross multiply
    751,430.78x = 1,124,485.48 × 467,255.16
  4. Step 4: Simplify right side
    751,430.78x = 525,421,642,875.08
  5. Step 5: Solve for x
    x = 525,421,642,875.08/751,430.78
  6. Step 6: Final answer
    x = 699,228.27

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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.