Home / 1,503,902.50-2,255,986.49-424,424.61

Finding the Fourth Proportional to 1,503,902.50, 2,255,986.49 and 424,424.61

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Solution

The fourth proportional to 1,503,902.50, 2,255,986.49 and 424,424.61 is: 636,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,902.50 : 2,255,986.49 = 424,424.61 : x
  2. Step 2: Convert to fraction form
    1,503,902.50/2,255,986.49 = 424,424.61/x
  3. Step 3: Cross multiply
    1,503,902.50x = 2,255,986.49 × 424,424.61
  4. Step 4: Simplify right side
    1,503,902.50x = 957,496,184,061.40
  5. Step 5: Solve for x
    x = 957,496,184,061.40/1,503,902.50
  6. Step 6: Final answer
    x = 636,674.38

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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.