Home / 751,430.91-1,124,485.67-467,255.28

Finding the Fourth Proportional to 751,430.91, 1,124,485.67 and 467,255.28

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Solution

The fourth proportional to 751,430.91, 1,124,485.67 and 467,255.28 is: 699,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,430.91 : 1,124,485.67 = 467,255.28 : x
  2. Step 2: Convert to fraction form
    751,430.91/1,124,485.67 = 467,255.28/x
  3. Step 3: Cross multiply
    751,430.91x = 1,124,485.67 × 467,255.28
  4. Step 4: Simplify right side
    751,430.91x = 525,421,866,591.84
  5. Step 5: Solve for x
    x = 525,421,866,591.84/751,430.91
  6. Step 6: Final answer
    x = 699,228.44

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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.