Home / 976,275.18-1,465,357.33-471,191.72

Finding the Fourth Proportional to 976,275.18, 1,465,357.33 and 471,191.72

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Solution

The fourth proportional to 976,275.18, 1,465,357.33 and 471,191.72 is: 707,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,275.18 : 1,465,357.33 = 471,191.72 : x
  2. Step 2: Convert to fraction form
    976,275.18/1,465,357.33 = 471,191.72/x
  3. Step 3: Cross multiply
    976,275.18x = 1,465,357.33 × 471,191.72
  4. Step 4: Simplify right side
    976,275.18x = 690,464,235,895.94
  5. Step 5: Solve for x
    x = 690,464,235,895.94/976,275.18
  6. Step 6: Final answer
    x = 707,243.46

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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.