Home / 1,226,019.85-1,838,955.70-457,369.54

Finding the Fourth Proportional to 1,226,019.85, 1,838,955.70 and 457,369.54

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Solution

The fourth proportional to 1,226,019.85, 1,838,955.70 and 457,369.54 is: 686,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,019.85 : 1,838,955.70 = 457,369.54 : x
  2. Step 2: Convert to fraction form
    1,226,019.85/1,838,955.70 = 457,369.54/x
  3. Step 3: Cross multiply
    1,226,019.85x = 1,838,955.70 × 457,369.54
  4. Step 4: Simplify right side
    1,226,019.85x = 841,082,322,589.38
  5. Step 5: Solve for x
    x = 841,082,322,589.38/1,226,019.85
  6. Step 6: Final answer
    x = 686,026.68

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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.