Home / 461,938.80-693,138.60-262,412.40

Finding the Fourth Proportional to 461,938.80, 693,138.60 and 262,412.40

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Solution

The fourth proportional to 461,938.80, 693,138.60 and 262,412.40 is: 393,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,938.80 : 693,138.60 = 262,412.40 : x
  2. Step 2: Convert to fraction form
    461,938.80/693,138.60 = 262,412.40/x
  3. Step 3: Cross multiply
    461,938.80x = 693,138.60 × 262,412.40
  4. Step 4: Simplify right side
    461,938.80x = 181,888,163,558.64
  5. Step 5: Solve for x
    x = 181,888,163,558.64/461,938.80
  6. Step 6: Final answer
    x = 393,749.48

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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.