Home / 476,285.34-657,271.44-261,429.06

Finding the Fourth Proportional to 476,285.34, 657,271.44 and 261,429.06

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Solution

The fourth proportional to 476,285.34, 657,271.44 and 261,429.06 is: 360,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,285.34 : 657,271.44 = 261,429.06 : x
  2. Step 2: Convert to fraction form
    476,285.34/657,271.44 = 261,429.06/x
  3. Step 3: Cross multiply
    476,285.34x = 657,271.44 × 261,429.06
  4. Step 4: Simplify right side
    476,285.34x = 171,829,854,724.05
  5. Step 5: Solve for x
    x = 171,829,854,724.05/476,285.34
  6. Step 6: Final answer
    x = 360,770.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.