Home / 862,202.01-1,189,839.10-499,835.93

Finding the Fourth Proportional to 862,202.01, 1,189,839.10 and 499,835.93

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Solution

The fourth proportional to 862,202.01, 1,189,839.10 and 499,835.93 is: 689,773.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,202.01 : 1,189,839.10 = 499,835.93 : x
  2. Step 2: Convert to fraction form
    862,202.01/1,189,839.10 = 499,835.93/x
  3. Step 3: Cross multiply
    862,202.01x = 1,189,839.10 × 499,835.93
  4. Step 4: Simplify right side
    862,202.01x = 594,724,334,823.87
  5. Step 5: Solve for x
    x = 594,724,334,823.87/862,202.01
  6. Step 6: Final answer
    x = 689,773.77

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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.