Home / 850,323.38-1,173,401.94-528,026.54

Finding the Fourth Proportional to 850,323.38, 1,173,401.94 and 528,026.54

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Solution

The fourth proportional to 850,323.38, 1,173,401.94 and 528,026.54 is: 728,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,323.38 : 1,173,401.94 = 528,026.54 : x
  2. Step 2: Convert to fraction form
    850,323.38/1,173,401.94 = 528,026.54/x
  3. Step 3: Cross multiply
    850,323.38x = 1,173,401.94 × 528,026.54
  4. Step 4: Simplify right side
    850,323.38x = 619,587,366,407.49
  5. Step 5: Solve for x
    x = 619,587,366,407.49/850,323.38
  6. Step 6: Final answer
    x = 728,649.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.