Home / 1,122,339.86-1,683,545.66-439,199.64

Finding the Fourth Proportional to 1,122,339.86, 1,683,545.66 and 439,199.64

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Solution

The fourth proportional to 1,122,339.86, 1,683,545.66 and 439,199.64 is: 658,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,339.86 : 1,683,545.66 = 439,199.64 : x
  2. Step 2: Convert to fraction form
    1,122,339.86/1,683,545.66 = 439,199.64/x
  3. Step 3: Cross multiply
    1,122,339.86x = 1,683,545.66 × 439,199.64
  4. Step 4: Simplify right side
    1,122,339.86x = 739,412,647,795.56
  5. Step 5: Solve for x
    x = 739,412,647,795.56/1,122,339.86
  6. Step 6: Final answer
    x = 658,813.50

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1.5x scale

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.