Home / 1,144,489.80-1,720,881.90-1,119,606.60

Finding the Fourth Proportional to 1,144,489.80, 1,720,881.90 and 1,119,606.60

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Solution

The fourth proportional to 1,144,489.80, 1,720,881.90 and 1,119,606.60 is: 1,683,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,489.80 : 1,720,881.90 = 1,119,606.60 : x
  2. Step 2: Convert to fraction form
    1,144,489.80/1,720,881.90 = 1,119,606.60/x
  3. Step 3: Cross multiply
    1,144,489.80x = 1,720,881.90 × 1,119,606.60
  4. Step 4: Simplify right side
    1,144,489.80x = 1,926,710,733,060.54
  5. Step 5: Solve for x
    x = 1,926,710,733,060.54/1,144,489.80
  6. Step 6: Final answer
    x = 1,683,466.93

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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.