Home / 513,914.88-709,193.94-284,467.24

Finding the Fourth Proportional to 513,914.88, 709,193.94 and 284,467.24

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Solution

The fourth proportional to 513,914.88, 709,193.94 and 284,467.24 is: 392,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,914.88 : 709,193.94 = 284,467.24 : x
  2. Step 2: Convert to fraction form
    513,914.88/709,193.94 = 284,467.24/x
  3. Step 3: Cross multiply
    513,914.88x = 709,193.94 × 284,467.24
  4. Step 4: Simplify right side
    513,914.88x = 201,742,439,541.21
  5. Step 5: Solve for x
    x = 201,742,439,541.21/513,914.88
  6. Step 6: Final answer
    x = 392,560.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.