Home / 558,949.50-771,352.14-304,302.51

Finding the Fourth Proportional to 558,949.50, 771,352.14 and 304,302.51

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Solution

The fourth proportional to 558,949.50, 771,352.14 and 304,302.51 is: 419,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,949.50 : 771,352.14 = 304,302.51 : x
  2. Step 2: Convert to fraction form
    558,949.50/771,352.14 = 304,302.51/x
  3. Step 3: Cross multiply
    558,949.50x = 771,352.14 × 304,302.51
  4. Step 4: Simplify right side
    558,949.50x = 234,724,392,295.87
  5. Step 5: Solve for x
    x = 234,724,392,295.87/558,949.50
  6. Step 6: Final answer
    x = 419,938.46

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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.