Home / 1,185,777.01-1,636,370.42-641,912.65

Finding the Fourth Proportional to 1,185,777.01, 1,636,370.42 and 641,912.65

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Solution

The fourth proportional to 1,185,777.01, 1,636,370.42 and 641,912.65 is: 885,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,777.01 : 1,636,370.42 = 641,912.65 : x
  2. Step 2: Convert to fraction form
    1,185,777.01/1,636,370.42 = 641,912.65/x
  3. Step 3: Cross multiply
    1,185,777.01x = 1,636,370.42 × 641,912.65
  4. Step 4: Simplify right side
    1,185,777.01x = 1,050,406,872,683.81
  5. Step 5: Solve for x
    x = 1,050,406,872,683.81/1,185,777.01
  6. Step 6: Final answer
    x = 885,838.45

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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.