Home / 1,228,683.60-1,695,377.79-684,700.16

Finding the Fourth Proportional to 1,228,683.60, 1,695,377.79 and 684,700.16

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Solution

The fourth proportional to 1,228,683.60, 1,695,377.79 and 684,700.16 is: 944,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,683.60 : 1,695,377.79 = 684,700.16 : x
  2. Step 2: Convert to fraction form
    1,228,683.60/1,695,377.79 = 684,700.16/x
  3. Step 3: Cross multiply
    1,228,683.60x = 1,695,377.79 × 684,700.16
  4. Step 4: Simplify right side
    1,228,683.60x = 1,160,825,435,596.56
  5. Step 5: Solve for x
    x = 1,160,825,435,596.56/1,228,683.60
  6. Step 6: Final answer
    x = 944,771.65

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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.