Home / 628,733.54-867,652.38-342,255.77

Finding the Fourth Proportional to 628,733.54, 867,652.38 and 342,255.77

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Solution

The fourth proportional to 628,733.54, 867,652.38 and 342,255.77 is: 472,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,733.54 : 867,652.38 = 342,255.77 : x
  2. Step 2: Convert to fraction form
    628,733.54/867,652.38 = 342,255.77/x
  3. Step 3: Cross multiply
    628,733.54x = 867,652.38 × 342,255.77
  4. Step 4: Simplify right side
    628,733.54x = 296,959,029,070.97
  5. Step 5: Solve for x
    x = 296,959,029,070.97/628,733.54
  6. Step 6: Final answer
    x = 472,313.01

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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.