Home / 689,581.56-951,083.31-447,941.94

Finding the Fourth Proportional to 689,581.56, 951,083.31 and 447,941.94

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Solution

The fourth proportional to 689,581.56, 951,083.31 and 447,941.94 is: 617,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,581.56 : 951,083.31 = 447,941.94 : x
  2. Step 2: Convert to fraction form
    689,581.56/951,083.31 = 447,941.94/x
  3. Step 3: Cross multiply
    689,581.56x = 951,083.31 × 447,941.94
  4. Step 4: Simplify right side
    689,581.56x = 426,030,102,983.02
  5. Step 5: Solve for x
    x = 426,030,102,983.02/689,581.56
  6. Step 6: Final answer
    x = 617,809.59

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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.