Home / 976,737.80-1,465,106.70-622,006.40

Finding the Fourth Proportional to 976,737.80, 1,465,106.70 and 622,006.40

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Solution

The fourth proportional to 976,737.80, 1,465,106.70 and 622,006.40 is: 933,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,737.80 : 1,465,106.70 = 622,006.40 : x
  2. Step 2: Convert to fraction form
    976,737.80/1,465,106.70 = 622,006.40/x
  3. Step 3: Cross multiply
    976,737.80x = 1,465,106.70 × 622,006.40
  4. Step 4: Simplify right side
    976,737.80x = 911,305,744,082.88
  5. Step 5: Solve for x
    x = 911,305,744,082.88/976,737.80
  6. Step 6: Final answer
    x = 933,009.60

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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.