Home / 1,358,454.69-2,038,049.55-459,896.54

Finding the Fourth Proportional to 1,358,454.69, 2,038,049.55 and 459,896.54

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Solution

The fourth proportional to 1,358,454.69, 2,038,049.55 and 459,896.54 is: 689,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,454.69 : 2,038,049.55 = 459,896.54 : x
  2. Step 2: Convert to fraction form
    1,358,454.69/2,038,049.55 = 459,896.54/x
  3. Step 3: Cross multiply
    1,358,454.69x = 2,038,049.55 × 459,896.54
  4. Step 4: Simplify right side
    1,358,454.69x = 937,291,926,203.31
  5. Step 5: Solve for x
    x = 937,291,926,203.31/1,358,454.69
  6. Step 6: Final answer
    x = 689,969.22

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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.