Home / 558,651.51-770,955.17-304,018.83

Finding the Fourth Proportional to 558,651.51, 770,955.17 and 304,018.83

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Solution

The fourth proportional to 558,651.51, 770,955.17 and 304,018.83 is: 419,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,651.51 : 770,955.17 = 304,018.83 : x
  2. Step 2: Convert to fraction form
    558,651.51/770,955.17 = 304,018.83/x
  3. Step 3: Cross multiply
    558,651.51x = 770,955.17 × 304,018.83
  4. Step 4: Simplify right side
    558,651.51x = 234,384,887,245.76
  5. Step 5: Solve for x
    x = 234,384,887,245.76/558,651.51
  6. Step 6: Final answer
    x = 419,554.74

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Double scale
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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.