Home / 1,404,148.68-2,106,441.60-457,299.12

Finding the Fourth Proportional to 1,404,148.68, 2,106,441.60 and 457,299.12

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Solution

The fourth proportional to 1,404,148.68, 2,106,441.60 and 457,299.12 is: 686,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,148.68 : 2,106,441.60 = 457,299.12 : x
  2. Step 2: Convert to fraction form
    1,404,148.68/2,106,441.60 = 457,299.12/x
  3. Step 3: Cross multiply
    1,404,148.68x = 2,106,441.60 × 457,299.12
  4. Step 4: Simplify right side
    1,404,148.68x = 963,273,890,011.39
  5. Step 5: Solve for x
    x = 963,273,890,011.39/1,404,148.68
  6. Step 6: Final answer
    x = 686,019.87

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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.