Home / 1,693,516.80-2,337,079.68-929,640

Finding the Fourth Proportional to 1,693,516.80, 2,337,079.68 and 929,640

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Solution

The fourth proportional to 1,693,516.80, 2,337,079.68 and 929,640 is: 1,282,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,516.80 : 2,337,079.68 = 929,640 : x
  2. Step 2: Convert to fraction form
    1,693,516.80/2,337,079.68 = 929,640/x
  3. Step 3: Cross multiply
    1,693,516.80x = 2,337,079.68 × 929,640
  4. Step 4: Simplify right side
    1,693,516.80x = 2,172,642,753,715.20
  5. Step 5: Solve for x
    x = 2,172,642,753,715.20/1,693,516.80
  6. Step 6: Final answer
    x = 1,282,917.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.