Home / 558,853.75-771,218.27-304,206.85

Finding the Fourth Proportional to 558,853.75, 771,218.27 and 304,206.85

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Solution

The fourth proportional to 558,853.75, 771,218.27 and 304,206.85 is: 419,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,853.75 : 771,218.27 = 304,206.85 : x
  2. Step 2: Convert to fraction form
    558,853.75/771,218.27 = 304,206.85/x
  3. Step 3: Cross multiply
    558,853.75x = 771,218.27 × 304,206.85
  4. Step 4: Simplify right side
    558,853.75x = 234,609,880,579.15
  5. Step 5: Solve for x
    x = 234,609,880,579.15/558,853.75
  6. Step 6: Final answer
    x = 419,805.50

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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.