Home / 477,301.20-658,678.08-262,455.12

Finding the Fourth Proportional to 477,301.20, 658,678.08 and 262,455.12

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Solution

The fourth proportional to 477,301.20, 658,678.08 and 262,455.12 is: 362,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,301.20 : 658,678.08 = 262,455.12 : x
  2. Step 2: Convert to fraction form
    477,301.20/658,678.08 = 262,455.12/x
  3. Step 3: Cross multiply
    477,301.20x = 658,678.08 × 262,455.12
  4. Step 4: Simplify right side
    477,301.20x = 172,873,434,527.77
  5. Step 5: Solve for x
    x = 172,873,434,527.77/477,301.20
  6. Step 6: Final answer
    x = 362,189.40

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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.