Home / 670,683.18-1,006,124.80-221,451.50

Finding the Fourth Proportional to 670,683.18, 1,006,124.80 and 221,451.50

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Solution

The fourth proportional to 670,683.18, 1,006,124.80 and 221,451.50 is: 332,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,683.18 : 1,006,124.80 = 221,451.50 : x
  2. Step 2: Convert to fraction form
    670,683.18/1,006,124.80 = 221,451.50/x
  3. Step 3: Cross multiply
    670,683.18x = 1,006,124.80 × 221,451.50
  4. Step 4: Simplify right side
    670,683.18x = 222,807,846,147.20
  5. Step 5: Solve for x
    x = 222,807,846,147.20/670,683.18
  6. Step 6: Final answer
    x = 332,210.28

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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.