Home / 741,824.19-1,112,580.59-209,220.67

Finding the Fourth Proportional to 741,824.19, 1,112,580.59 and 209,220.67

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Solution

The fourth proportional to 741,824.19, 1,112,580.59 and 209,220.67 is: 313,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,824.19 : 1,112,580.59 = 209,220.67 : x
  2. Step 2: Convert to fraction form
    741,824.19/1,112,580.59 = 209,220.67/x
  3. Step 3: Cross multiply
    741,824.19x = 1,112,580.59 × 209,220.67
  4. Step 4: Simplify right side
    741,824.19x = 232,774,850,905.89
  5. Step 5: Solve for x
    x = 232,774,850,905.89/741,824.19
  6. Step 6: Final answer
    x = 313,787.09

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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.