Home / 628,424.52-867,236.22-341,946.06

Finding the Fourth Proportional to 628,424.52, 867,236.22 and 341,946.06

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Solution

The fourth proportional to 628,424.52, 867,236.22 and 341,946.06 is: 471,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,424.52 : 867,236.22 = 341,946.06 : x
  2. Step 2: Convert to fraction form
    628,424.52/867,236.22 = 341,946.06/x
  3. Step 3: Cross multiply
    628,424.52x = 867,236.22 × 341,946.06
  4. Step 4: Simplify right side
    628,424.52x = 296,548,008,518.29
  5. Step 5: Solve for x
    x = 296,548,008,518.29/628,424.52
  6. Step 6: Final answer
    x = 471,891.21

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Double scale
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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.