Home / 689,790.84-1,041,165.18-689,790.84

Finding the Fourth Proportional to 689,790.84, 1,041,165.18 and 689,790.84

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Solution

The fourth proportional to 689,790.84, 1,041,165.18 and 689,790.84 is: 1,041,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,790.84 : 1,041,165.18 = 689,790.84 : x
  2. Step 2: Convert to fraction form
    689,790.84/1,041,165.18 = 689,790.84/x
  3. Step 3: Cross multiply
    689,790.84x = 1,041,165.18 × 689,790.84
  4. Step 4: Simplify right side
    689,790.84x = 718,186,204,090.95
  5. Step 5: Solve for x
    x = 718,186,204,090.95/689,790.84
  6. Step 6: Final answer
    x = 1,041,165.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.