Home / 769,725.60-1,154,614.80-237,242.40

Finding the Fourth Proportional to 769,725.60, 1,154,614.80 and 237,242.40

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Solution

The fourth proportional to 769,725.60, 1,154,614.80 and 237,242.40 is: 355,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,725.60 : 1,154,614.80 = 237,242.40 : x
  2. Step 2: Convert to fraction form
    769,725.60/1,154,614.80 = 237,242.40/x
  3. Step 3: Cross multiply
    769,725.60x = 1,154,614.80 × 237,242.40
  4. Step 4: Simplify right side
    769,725.60x = 273,923,586,227.52
  5. Step 5: Solve for x
    x = 273,923,586,227.52/769,725.60
  6. Step 6: Final answer
    x = 355,871.74

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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.