Home / 723,152.92-1,084,606.04-190,679.16

Finding the Fourth Proportional to 723,152.92, 1,084,606.04 and 190,679.16

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Solution

The fourth proportional to 723,152.92, 1,084,606.04 and 190,679.16 is: 285,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,152.92 : 1,084,606.04 = 190,679.16 : x
  2. Step 2: Convert to fraction form
    723,152.92/1,084,606.04 = 190,679.16/x
  3. Step 3: Cross multiply
    723,152.92x = 1,084,606.04 × 190,679.16
  4. Step 4: Simplify right side
    723,152.92x = 206,811,768,638.13
  5. Step 5: Solve for x
    x = 206,811,768,638.13/723,152.92
  6. Step 6: Final answer
    x = 285,986.22

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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.