Home / 1,265,365.71-1,898,048.58-555,399.90

Finding the Fourth Proportional to 1,265,365.71, 1,898,048.58 and 555,399.90

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Solution

The fourth proportional to 1,265,365.71, 1,898,048.58 and 555,399.90 is: 833,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,365.71 : 1,898,048.58 = 555,399.90 : x
  2. Step 2: Convert to fraction form
    1,265,365.71/1,898,048.58 = 555,399.90/x
  3. Step 3: Cross multiply
    1,265,365.71x = 1,898,048.58 × 555,399.90
  4. Step 4: Simplify right side
    1,265,365.71x = 1,054,175,991,527.14
  5. Step 5: Solve for x
    x = 1,054,175,991,527.14/1,265,365.71
  6. Step 6: Final answer
    x = 833,099.86

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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.