Home / 976,007.40-1,466,468.70-621,191.40

Finding the Fourth Proportional to 976,007.40, 1,466,468.70 and 621,191.40

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Solution

The fourth proportional to 976,007.40, 1,466,468.70 and 621,191.40 is: 933,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,007.40 : 1,466,468.70 = 621,191.40 : x
  2. Step 2: Convert to fraction form
    976,007.40/1,466,468.70 = 621,191.40/x
  3. Step 3: Cross multiply
    976,007.40x = 1,466,468.70 × 621,191.40
  4. Step 4: Simplify right side
    976,007.40x = 910,957,744,809.18
  5. Step 5: Solve for x
    x = 910,957,744,809.18/976,007.40
  6. Step 6: Final answer
    x = 933,351.27

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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.