Home / 1,437,507.40-2,155,629.54-538,318.48

Finding the Fourth Proportional to 1,437,507.40, 2,155,629.54 and 538,318.48

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Solution

The fourth proportional to 1,437,507.40, 2,155,629.54 and 538,318.48 is: 807,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,507.40 : 2,155,629.54 = 538,318.48 : x
  2. Step 2: Convert to fraction form
    1,437,507.40/2,155,629.54 = 538,318.48/x
  3. Step 3: Cross multiply
    1,437,507.40x = 2,155,629.54 × 538,318.48
  4. Step 4: Simplify right side
    1,437,507.40x = 1,160,415,217,415.90
  5. Step 5: Solve for x
    x = 1,160,415,217,415.90/1,437,507.40
  6. Step 6: Final answer
    x = 807,241.21

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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.