Home / 1,558,429.75-2,337,878.40-547,373.50

Finding the Fourth Proportional to 1,558,429.75, 2,337,878.40 and 547,373.50

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Solution

The fourth proportional to 1,558,429.75, 2,337,878.40 and 547,373.50 is: 821,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,429.75 : 2,337,878.40 = 547,373.50 : x
  2. Step 2: Convert to fraction form
    1,558,429.75/2,337,878.40 = 547,373.50/x
  3. Step 3: Cross multiply
    1,558,429.75x = 2,337,878.40 × 547,373.50
  4. Step 4: Simplify right side
    1,558,429.75x = 1,279,692,682,382.40
  5. Step 5: Solve for x
    x = 1,279,692,682,382.40/1,558,429.75
  6. Step 6: Final answer
    x = 821,142.36

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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.