Home / 589,371.20-884,056.80-146,139.20

Finding the Fourth Proportional to 589,371.20, 884,056.80 and 146,139.20

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Solution

The fourth proportional to 589,371.20, 884,056.80 and 146,139.20 is: 219,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,371.20 : 884,056.80 = 146,139.20 : x
  2. Step 2: Convert to fraction form
    589,371.20/884,056.80 = 146,139.20/x
  3. Step 3: Cross multiply
    589,371.20x = 884,056.80 × 146,139.20
  4. Step 4: Simplify right side
    589,371.20x = 129,195,353,506.56
  5. Step 5: Solve for x
    x = 129,195,353,506.56/589,371.20
  6. Step 6: Final answer
    x = 219,208.80

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Double scale
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Similar ratio
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1.5x scale

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.