Home / 976,308.80-1,465,409.07-471,224.79

Finding the Fourth Proportional to 976,308.80, 1,465,409.07 and 471,224.79

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Solution

The fourth proportional to 976,308.80, 1,465,409.07 and 471,224.79 is: 707,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,308.80 : 1,465,409.07 = 471,224.79 : x
  2. Step 2: Convert to fraction form
    976,308.80/1,465,409.07 = 471,224.79/x
  3. Step 3: Cross multiply
    976,308.80x = 1,465,409.07 × 471,224.79
  4. Step 4: Simplify right side
    976,308.80x = 690,537,081,274.85
  5. Step 5: Solve for x
    x = 690,537,081,274.85/976,308.80
  6. Step 6: Final answer
    x = 707,293.72

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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.