Home / 705,362.07-1,058,043.12-231,920.31

Finding the Fourth Proportional to 705,362.07, 1,058,043.12 and 231,920.31

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Solution

The fourth proportional to 705,362.07, 1,058,043.12 and 231,920.31 is: 347,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,362.07 : 1,058,043.12 = 231,920.31 : x
  2. Step 2: Convert to fraction form
    705,362.07/1,058,043.12 = 231,920.31/x
  3. Step 3: Cross multiply
    705,362.07x = 1,058,043.12 × 231,920.31
  4. Step 4: Simplify right side
    705,362.07x = 245,381,688,383.77
  5. Step 5: Solve for x
    x = 245,381,688,383.77/705,362.07
  6. Step 6: Final answer
    x = 347,880.47

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Double scale
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Similar ratio
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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.