Home / 589,040.70-883,561.05-512,058.30

Finding the Fourth Proportional to 589,040.70, 883,561.05 and 512,058.30

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Solution

The fourth proportional to 589,040.70, 883,561.05 and 512,058.30 is: 768,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,040.70 : 883,561.05 = 512,058.30 : x
  2. Step 2: Convert to fraction form
    589,040.70/883,561.05 = 512,058.30/x
  3. Step 3: Cross multiply
    589,040.70x = 883,561.05 × 512,058.30
  4. Step 4: Simplify right side
    589,040.70x = 452,434,769,209.22
  5. Step 5: Solve for x
    x = 452,434,769,209.22/589,040.70
  6. Step 6: Final answer
    x = 768,087.45

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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.