Home / 976,278.60-1,465,730.10-622,859.40

Finding the Fourth Proportional to 976,278.60, 1,465,730.10 and 622,859.40

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Solution

The fourth proportional to 976,278.60, 1,465,730.10 and 622,859.40 is: 935,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,278.60 : 1,465,730.10 = 622,859.40 : x
  2. Step 2: Convert to fraction form
    976,278.60/1,465,730.10 = 622,859.40/x
  3. Step 3: Cross multiply
    976,278.60x = 1,465,730.10 × 622,859.40
  4. Step 4: Simplify right side
    976,278.60x = 912,943,770,647.94
  5. Step 5: Solve for x
    x = 912,943,770,647.94/976,278.60
  6. Step 6: Final answer
    x = 935,126.28

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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.