Home / 558,967.95-771,350.36-304,318.59

Finding the Fourth Proportional to 558,967.95, 771,350.36 and 304,318.59

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Solution

The fourth proportional to 558,967.95, 771,350.36 and 304,318.59 is: 419,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,967.95 : 771,350.36 = 304,318.59 : x
  2. Step 2: Convert to fraction form
    558,967.95/771,350.36 = 304,318.59/x
  3. Step 3: Cross multiply
    558,967.95x = 771,350.36 × 304,318.59
  4. Step 4: Simplify right side
    558,967.95x = 234,736,252,429.60
  5. Step 5: Solve for x
    x = 234,736,252,429.60/558,967.95
  6. Step 6: Final answer
    x = 419,945.82

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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.