Home / 502,087.60-752,475.30-202,322.80

Finding the Fourth Proportional to 502,087.60, 752,475.30 and 202,322.80

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Solution

The fourth proportional to 502,087.60, 752,475.30 and 202,322.80 is: 303,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,087.60 : 752,475.30 = 202,322.80 : x
  2. Step 2: Convert to fraction form
    502,087.60/752,475.30 = 202,322.80/x
  3. Step 3: Cross multiply
    502,087.60x = 752,475.30 × 202,322.80
  4. Step 4: Simplify right side
    502,087.60x = 152,242,909,626.84
  5. Step 5: Solve for x
    x = 152,242,909,626.84/502,087.60
  6. Step 6: Final answer
    x = 303,219.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.