Home / 679,404.14-937,786.34-437,685.83

Finding the Fourth Proportional to 679,404.14, 937,786.34 and 437,685.83

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Solution

The fourth proportional to 679,404.14, 937,786.34 and 437,685.83 is: 604,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,404.14 : 937,786.34 = 437,685.83 : x
  2. Step 2: Convert to fraction form
    679,404.14/937,786.34 = 437,685.83/x
  3. Step 3: Cross multiply
    679,404.14x = 937,786.34 × 437,685.83
  4. Step 4: Simplify right side
    679,404.14x = 410,455,792,585.56
  5. Step 5: Solve for x
    x = 410,455,792,585.56/679,404.14
  6. Step 6: Final answer
    x = 604,140.85

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1.5x scale

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.