Home / 589,207.20-883,810.80-145,975.20

Finding the Fourth Proportional to 589,207.20, 883,810.80 and 145,975.20

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Solution

The fourth proportional to 589,207.20, 883,810.80 and 145,975.20 is: 218,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,207.20 : 883,810.80 = 145,975.20 : x
  2. Step 2: Convert to fraction form
    589,207.20/883,810.80 = 145,975.20/x
  3. Step 3: Cross multiply
    589,207.20x = 883,810.80 × 145,975.20
  4. Step 4: Simplify right side
    589,207.20x = 129,014,458,292.16
  5. Step 5: Solve for x
    x = 129,014,458,292.16/589,207.20
  6. Step 6: Final answer
    x = 218,962.80

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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.