Home / 730,639.68-1,096,048.08-257,228.16

Finding the Fourth Proportional to 730,639.68, 1,096,048.08 and 257,228.16

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Solution

The fourth proportional to 730,639.68, 1,096,048.08 and 257,228.16 is: 385,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,639.68 : 1,096,048.08 = 257,228.16 : x
  2. Step 2: Convert to fraction form
    730,639.68/1,096,048.08 = 257,228.16/x
  3. Step 3: Cross multiply
    730,639.68x = 1,096,048.08 × 257,228.16
  4. Step 4: Simplify right side
    730,639.68x = 281,934,430,889.93
  5. Step 5: Solve for x
    x = 281,934,430,889.93/730,639.68
  6. Step 6: Final answer
    x = 385,873.42

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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.