Home / 683,065.06-942,644.61-377,140.42

Finding the Fourth Proportional to 683,065.06, 942,644.61 and 377,140.42

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Solution

The fourth proportional to 683,065.06, 942,644.61 and 377,140.42 is: 520,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,065.06 : 942,644.61 = 377,140.42 : x
  2. Step 2: Convert to fraction form
    683,065.06/942,644.61 = 377,140.42/x
  3. Step 3: Cross multiply
    683,065.06x = 942,644.61 × 377,140.42
  4. Step 4: Simplify right side
    683,065.06x = 355,509,384,126.14
  5. Step 5: Solve for x
    x = 355,509,384,126.14/683,065.06
  6. Step 6: Final answer
    x = 520,461.97

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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.