Home / 545,206.28-752,376.60-303,488.51

Finding the Fourth Proportional to 545,206.28, 752,376.60 and 303,488.51

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Solution

The fourth proportional to 545,206.28, 752,376.60 and 303,488.51 is: 418,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,206.28 : 752,376.60 = 303,488.51 : x
  2. Step 2: Convert to fraction form
    545,206.28/752,376.60 = 303,488.51/x
  3. Step 3: Cross multiply
    545,206.28x = 752,376.60 × 303,488.51
  4. Step 4: Simplify right side
    545,206.28x = 228,337,649,530.98
  5. Step 5: Solve for x
    x = 228,337,649,530.98/545,206.28
  6. Step 6: Final answer
    x = 418,809.65

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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.