Home / 1,239,933.40-1,859,900.10-530,033.20

Finding the Fourth Proportional to 1,239,933.40, 1,859,900.10 and 530,033.20

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Solution

The fourth proportional to 1,239,933.40, 1,859,900.10 and 530,033.20 is: 795,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,933.40 : 1,859,900.10 = 530,033.20 : x
  2. Step 2: Convert to fraction form
    1,239,933.40/1,859,900.10 = 530,033.20/x
  3. Step 3: Cross multiply
    1,239,933.40x = 1,859,900.10 × 530,033.20
  4. Step 4: Simplify right side
    1,239,933.40x = 985,808,801,683.32
  5. Step 5: Solve for x
    x = 985,808,801,683.32/1,239,933.40
  6. Step 6: Final answer
    x = 795,049.80

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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.