Home / 1,227,125.27-1,693,412.65-717,913.91

Finding the Fourth Proportional to 1,227,125.27, 1,693,412.65 and 717,913.91

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Solution

The fourth proportional to 1,227,125.27, 1,693,412.65 and 717,913.91 is: 990,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,125.27 : 1,693,412.65 = 717,913.91 : x
  2. Step 2: Convert to fraction form
    1,227,125.27/1,693,412.65 = 717,913.91/x
  3. Step 3: Cross multiply
    1,227,125.27x = 1,693,412.65 × 717,913.91
  4. Step 4: Simplify right side
    1,227,125.27x = 1,215,724,496,804.96
  5. Step 5: Solve for x
    x = 1,215,724,496,804.96/1,227,125.27
  6. Step 6: Final answer
    x = 990,709.36

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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.