Home / 446,947.84-616,800.12-243,012.45

Finding the Fourth Proportional to 446,947.84, 616,800.12 and 243,012.45

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Solution

The fourth proportional to 446,947.84, 616,800.12 and 243,012.45 is: 335,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,947.84 : 616,800.12 = 243,012.45 : x
  2. Step 2: Convert to fraction form
    446,947.84/616,800.12 = 243,012.45/x
  3. Step 3: Cross multiply
    446,947.84x = 616,800.12 × 243,012.45
  4. Step 4: Simplify right side
    446,947.84x = 149,890,109,723.20
  5. Step 5: Solve for x
    x = 149,890,109,723.20/446,947.84
  6. Step 6: Final answer
    x = 335,363.76

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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.