Home / 589,053-883,579.50-145,821

Finding the Fourth Proportional to 589,053, 883,579.50 and 145,821

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Solution

The fourth proportional to 589,053, 883,579.50 and 145,821 is: 218,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,053 : 883,579.50 = 145,821 : x
  2. Step 2: Convert to fraction form
    589,053/883,579.50 = 145,821/x
  3. Step 3: Cross multiply
    589,053x = 883,579.50 × 145,821
  4. Step 4: Simplify right side
    589,053x = 128,844,446,269.50
  5. Step 5: Solve for x
    x = 128,844,446,269.50/589,053
  6. Step 6: Final answer
    x = 218,731.50

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Half scale
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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.