Home / 689,278.56-1,033,966.98-183,836.67

Finding the Fourth Proportional to 689,278.56, 1,033,966.98 and 183,836.67

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Solution

The fourth proportional to 689,278.56, 1,033,966.98 and 183,836.67 is: 275,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,278.56 : 1,033,966.98 = 183,836.67 : x
  2. Step 2: Convert to fraction form
    689,278.56/1,033,966.98 = 183,836.67/x
  3. Step 3: Cross multiply
    689,278.56x = 1,033,966.98 × 183,836.67
  4. Step 4: Simplify right side
    689,278.56x = 190,081,046,493.16
  5. Step 5: Solve for x
    x = 190,081,046,493.16/689,278.56
  6. Step 6: Final answer
    x = 275,768.11

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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.